Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/fc92dab0c85b715c65aeb92c343512c6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 roller chain英英字典_roller chain剑桥英语解释_roller chain柯林斯英文解释_食材鋪反向词典
1. N a chain for transmitting power in which each link consists of two free-moving rollers held in position by pins connected to sideplates 滾子鏈[engineering]