dust guard [环境] 防尘板 ; [环境] 防尘设备
dust guard seat 防尘板座 ; 防尘座
window dust guard 窗口挡尘板
dust guard plate 防尘板
dust guard retainer 防尘板槽盖
dust guard cover 轴箱 ; 防尘板槽盖
dust guard cap 防尘革
dust guard ring 防尘圈
dust guard holder 防尘罩座
dust guard well 防尘板槽
Motors on the milling machines are totally enclosed to guard against ingress of metallic dust.
铣床上的电动机都是全封闭的，以防止金属粉尘进入。
Believe it or not, the training for work as a security guard let me avoid a small decoration in the house. When it was decorating, lots of poison dust and smell went into my room during my absent.
信不信由你，保安培训期间，我避开了住处的一次小装修，也就避开了那些装修产生的有害灰尘和气体。
Whenever she was searched, she made sure some of the dust and dirt got on the guard women's faces. This made them sneeze and cough.
那些女守卫们搜查时，就被弄得满脸灰尘，不住地打喷嚏和咳嗽。
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