Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/8fa77b173f5cf80bffb509cc4b070853.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 chain tongs是什么意思，chain tongs的翻译，chain tongs音标、读音、用法和例句_按摩法牛津词典
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。