The power source of the reciprocating movement of the thin wall piece is a crank transmission mechanism (2).

薄壁件往复运动的动力来源是曲柄传动机构(2)。

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The power source of the reciprocating movement of the thin wall piece is a crank transmission mechanism (2).

薄壁件往复运动的动力来源是曲柄传动机构(2)。

youdao