基本解释[机械工程]皮带运输机张紧器英汉例句双语例句The front stretcher adopts magnetic powder breaker to provide linear tension, to solve the relative slip between conveyor belt and damping roll;前伸张器采用磁粉制动器线性的提供张力，解决输送带与阻尼辊间的相对滑动；belt conveyor stretcher更多例句专业释义机械工程皮带运输机张紧器