常見例句雙語例句Felt pad is used after the punch processing sheep blankets made of sealing washer. Having a sealing, oil storage, such as earthquake action.毛氈墊是采用羊毛氈經(jīng)過沖床加工制作而成的密封墊圈。具有密封，儲油，防震等作用。 返回 punch pad