chain tongs

常见例句

• The structure and working principle of the chain clamp, which can hold the worpieces and turn the workpieces through friction, are introduced.
  介绍了一种可以抱紧工件并通过摩擦力拧转工作的链条钳的结构及工作原理。
• Change the chain tong with a bigger one.
  换一把大链钳。
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