常見例句The safe and effective way is to put in cleaning liquor and meshwork frame, then put the workpiece on the frame before turning on the cleaner.在清洗器工作之前先放入清洗溶液和網(wǎng)架,把被洗工件置於網(wǎng)架上,這種操作方式才是有傚和安全的。 返回 net-frame