焊药粉尘对作业工人肺通气功能的影响曾秀诗，刘扬烈，沈国安，曹建华，缪俊勋，李宏目前，认为粉尘的职业性损害不仅是引起尘肺和肺功能损害，而且与某些肿瘤的发生有关［１～４］。因而促进了对粉尘的深入研究，特别是含游离二氧化硅在１０％以下的混合尘被广为关注。焊... At present, the occupational damage of dust is not only caused by pneumoconiosis and lung function damage, but also with the occurrence of some tumors [ 1 ~ 4]. As a result, intensive studies on dust have been promoted, and in particular, mixed dust containing less than 10% of free silica has attracted much attention. weld...