图纸

This article expounds the in fluences from the aspects of precoating photosensitiser coating anddrying process on the quality of diazo paper.

本文以予涂,感光液涂布及干燥三方面工艺论述对晒图纸质的影响。

In this paper,methods for producing highbasis weight tracing paper and commonly adopted transparentizing agents are presented,and suggestions on producing high basis weight tracing paper are advanced.

本文介绍国外研究高图纸的几种方法和普遍使用的透明化剂，并就国生产高图纸提出几点建议。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究道污水泵叶轮常用的图纸表达方法，发现平面图上的断面投影结果与轴面图中确的断面形状尺寸不一致的问题。