... putty knife 油灰刀 putty power 擦光粉 putty up 用油灰接合 ...
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jewellers putty putty power 擦光粉
Power Putty Fun Lab Kit 电源腻子缤纷实验室套件
Manufacturing industries such as automotive, railway locomotives, passenger cars, wind power, putty sanding, fiberglass grinding process to produce large amounts of dust, the serious pollution.
汽车、铁路机车、客车、风电等制造行业，在腻子打磨、玻璃钢打磨工艺过程中产生大量的粉尘，严重污染工作环境，如不加以治理将危害工。
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