他突然有一种想扔掉水桶撒腿就跑的冲动。He felt a sudden compulsion to drop the bucket and run.拖把和水桶a mop and bucket旅馆清洁工拿着水桶和拖把进来.The hotel cleaner entered carrying a bucket and a mop....
大多数钢瓶设计了温度升高时的泄压装置.Most cylinders are designed to vent contents when exposed to elevated temperatures.过水压保护功能,可在水压超高时自动泄压.Over the protection of water features in ultra - high pressure relief automatically.介绍了电磁泄压阀在锅炉过热装...