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...
Make sure your pet won't pine while you're away.要确保不在家时宠物不会想你。A thrush alighted on a branch of the pine tree.一只鸫落在松树的树枝上。A grey carpet was removed to reveal the original pine floor.一块灰色的地毯被揭开，露出了原来的松木地板。...
你没必要为这次聚会而着盛装。You don't have to get dressed up for this party.你们不必特意盛装赴宴。You do not need to dress up for dinner.我们身着盛装等候。We waited in our fine clothes....