drawing cone pulleys的意思|示意
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拉拔圆锥滑轮
drawing cone pulleys的网络常见释义
拉丝宝塔轮 微丝机塔轮microwire cone pulleys 拉丝宝塔轮drawing cone pulleys 涂层:碳化钨 溶射膜:Co-Wc coating material: tungsten carbide thermal spraying film: Co-Wc ..