half built-up crank shaft 半组合式曲轴 ; 半组合曲轴
built-up crank shaft 组合曲轴 ; 组合曲柄轴 ; 组成曲柄轴
semi built-up crank shaft 半组合曲柄轴
built-up crank 组合式曲柄 ; 组合曲柄
built-up crank axle 组合曲柄心棒
built up crank shaft 组合曲轴 ; 组合曲柄轴
Thread take-up crank 挑线曲柄
crank up 把声量调大 ; 转动曲柄起动 ; 曲柄回转 ; 开动
Thread take-up crank position screw 挑线曲柄固定螺丝
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