block tackle

短语词组

短语

• block and tackle 滑轮组;滑轮;滑国组
• block up tackle 反面抢截
• block k tackle 正面抢截
• block and tackle system 滑轮组
• iron block steel tackle block 铁滑车
• block and tackle tacke block 绳子或其他柔性材料与滑轮相组合的机件
• side block tackle 侧面铲球
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