Use hammer and brass drift to tap ring gear onto the flywheel.
用锤子和黄铜冲销轻轻敲打环齿轮进入飞轮。
Fixtures exposed to hood interior (i. e. tap nozzle) shall be made of brass with chemically resistant black vinyl coating.
通风柜里面的配件(龙头喷嘴)由黄铜构成，外面环氧树脂喷涂。
Fixtures exposed to hood interior (i. e. tap nozzle) shall be made of brass with chemically resistant black vinyl coating.
通风柜里面的配件(龙头喷嘴)由黄铜构成，外面环氧树脂喷涂。
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