工人防护面罩 Workmen's protective face-shields 工人用保护面罩 Face-shields (Workmen's protective –) 工人用护膝垫 Knee-pads for workers ..
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Face Shields 面部保护罩
Workmen's protective face-shields 工人防护面罩 ; 工人用防护面罩
safety helmet and face shields 安全帽及防护屏
They were met by black-clad police with helmets, face masks and small round riot shields.
防暴警察，全副武装，青衣面甲，手执圆盾。
In addition to safety glasses with side shields or goggles, a face shield helps prevent flying debris from striking your face.
除了带侧边的安全防护眼镜或护目镜之外，面罩也可以帮助防止飞溅的碎片击打到脸部。
Face stability is key point of tunnel shields excavation, Which influenced circumjacent environment.
开挖面的稳定是盾构施工技术的关键问题，直接影响到周边环境。
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