Crank and rocker mechannism.electromagnrtism cltch protect equipment web material.piede material and figure press.plastic material.plastic film and figure press.是什么意思_Crank and rocker mechannism.electromagnrtism cltch protect equipment web material.piede material and figure press.plastic material.plastic film and figure press.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句