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Drill Bow

1、[机]手钻弓柄

... drill boom 凿岩机支臂 drill bow 手钻弓柄 drill capacity 钻机能力 ...

2、手摇钻弓柄

手摇钻弓柄 drill bow手摇钻机 hand boring machine; hand drill machine; manual auger ..

drill l bow手钻弓柄

bow drill翻译

bow w drill弓钻

Bow-Drill Fire Making钻木取火

机械工程

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