... dust tight construction 防尘构造 dust tightness 防尘性 dust 尘埃；尘土 ...
基于80个网页-相关网页
tightness of dust separator 除尘器的气密性
·2,447,543篇论文数据，部分数据来源于NoteExpress
Workers in the dust-exposed group had higher prevalence of dyspnea and chest tightness than those in the control group.
结果表明，男性接尘工人气短和女性接尘工人胸闷的阳性率显著高于对照组。
youdao
应用推荐
模块上移
模块下移
不移动