400 grit paper.

细度为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式气流仪快速测定我国陆地棉纤维细度度系数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该仪器由按弦振动原理设计的XD-1型振动式细度仪及有气动夹持操作及数据处理功能的XQ-1型纤维强伸度仪组。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以造不同的长度、细度或其它性能，使其能够在天然纤维棉、毛及麻的几个加系统中有可纺性。

400 grit paper.

细度为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式流快速测定我国陆地棉纤维细度和成熟度系数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该器由按弦振动原理设计的XD-1型振动式细度有动夹持操作数据处理功能的XQ-1型纤维强伸度组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造成不同的长度、细度或其它性能，使其能够在天然纤维棉、毛麻的几个加工系统中有可纺性。

400 grit paper.

细度为400砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式气流仪快速测定我国陆地棉维细度和成熟度系数法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该仪器由按弦振动原理设计XD-1型振动式细度仪及有气动夹持操作及数据处理功能XQ-1型维强伸度仪组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯维可以另工制造成不同长度、细度或其它性能，使其能够在天然维棉、毛及麻几个加工系统中有可纺性。

400 grit paper.

为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式气流仪快速测定我棉纤维和成熟系数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该仪器由按弦振动原理设计的XD-1型振动式仪及有气动夹持操作及数据处理功能的XQ-1型纤维强伸仪组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造成不同的、或其它性能，使其能够在天然纤维棉、毛及麻的几个加工系统中有可纺性。

400 grit paper.

为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用压式气流仪快速测陆地棉纤维和成熟系数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该仪器由按弦振动原理设计的XD-1型振动式仪及有气动夹持操作及数据处理功能的XQ-1型纤维强伸仪组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造成不同的长、其它性能，使其能够在天然纤维棉、毛及麻的几个加工系统中有可纺性。

400 grit paper.

细度为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压气流仪快速测定我国陆地棉纤维细度和成熟度系数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该仪器由按弦原理设计的XD-1型细度仪及有气夹及数据处理功能的XQ-1型纤维强伸度仪组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造成不同的长度、细度或其它性能，使其能够在天然纤维棉、毛及麻的几个加工系统中有可纺性。

400 grit paper.

细度为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式气流测定我国陆地棉纤维细度和成熟度系数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该器由按弦振动原理设计的XD-1型振动式细度及有气动夹持操作及数据处理功能的XQ-1型纤维强伸度组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造成不同的长度、细度或能，使能够在天然纤维棉、毛及麻的几个加工系统中有可纺。

400 grit paper.

细度为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式气流快速测定我国陆地棉纤维细度和熟度系数的方法进行。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该器由按弦振动原理设计的XD-1型振动式细度及有气动夹持操作及数据处理功能的XQ-1型纤维强伸度。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造不同的长度、细度或其它性能，使其能够在天然纤维棉、毛及麻的几个加工系统中有可纺性。

400 grit paper.

细度为400的砂纸。

Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.

对采用定压式气流仪快速测定我国陆地棉纤维细度和成熟度数的方法进行了探讨。

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

该仪器由按弦振动原理设计的XD-1型振动式细度仪及有气动夹持操作及数据处理功能的XQ-1型纤维强伸度仪组成。

Staple fiber may be varied in length, denier and other respects to render it spinnable on the several established systems for the natural fibers cotton, wool and flax.

聚酯短信纤维可以另工制造成不同的长度、细度或其它性能，使其能够在天然纤维棉、毛及麻的几个加工有可纺性。