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对晒纸质量影响。

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.

本文介绍了国外研究高定量描纸几种方法和普遍使用透明化剂，并就国生产高定量描纸提出几点建议。

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.

摘要研究了双流道污水泵叶轮常用纸表达方法，发现平面断面投影结果与轴面中确定断面形状尺寸不一致问题。