Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/335a059454748649f6db86e2089624ff.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 rope round pulley是什么意思，rope round pulley的翻译，rope round pulley音标、读音、用法和例句_沉淀汉英词典
Move a pulley set enlarge to return to rope round the route of travel satisfies a steel wire rope to use early elongation of demand. 動滑輪組放大廻繩輪行程滿足鋼絲繩使用初期伸長的需要。