... 非接触式红外温度传感器 noncontact infrared temperature sensors 呼吸器和防尘口罩 respirators and dust masks 超级研磨材料和金刚石砂轮 superabrasives and diamond wheels ...
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respirators and dust masks
呼吸器和防尘口罩
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Deegan cautioned that workers in the disaster site should continue using dust masks and respirators and keeping the debris wet to reduce particulates in the air.
CNN: CDC, EPA: Little risk to public from sites
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