1.
Please avoid cashing or bumping them in use, Put on the dust cap immediately after using.
使用中请避免磕碰，使用后请及时戴上防尘帽。
2.
hard hat (safety headgear)
防护帽（安全帽类）
3.
Safety requirement: Hardhats, Safety Glasses, Dust Mask, Face Shield, Ear Muff, and etc.
必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等.
4.
Your cap is covered with dirt.
你的帽子满是灰尘。
5.
SLN self-locking nuts
SLN自动防松螺帽
6.
A smock worn to protect one's clothing from dust.
防尘衣一种防尘保护衣服的罩衫
7.
lock nut of iron or stee
锁紧螺帽,防松螺帽,铁或钢制
8.
FENDER INNER MOUNTING BOLTS
防护板内安装螺帽（2）
9.
dry-cell cap light
干电池防爆安全帽灯
10.
Directives for dust explosion protection for dust collectors in dust explosion hadardous ares
粉尘爆炸危险场所用收尘器 防爆导则
11.
Dust-collecting devices adopted, absorbing dust, preventing air pollution.
配置集尘装置，吸收粉尘，防止空气污染。
12.
BUSHINGS SEATED IN BOOTS
坐落在防尘套中的轴瓦
13.
Bushings Installed In Boots
安装在防尘套中的轴瓦
14.
They shut out the dust by having double windows.
他们用双层窗户防尘。
15.
Dust-sheets were draped over the furniture.
家具上盖着防尘布.
16.
filter for dust respirators
防尘口罩用过滤材料
17.
BALL JOINT SEAL BOOT
球形接头密封防尘套
18.
technique of industrial venti1ation and dustproofing
工业通风与防尘技术