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- HTV valve tray as a new high performance tray applicable in the distillationand absorption towers operating under atmosphere and/or higher pressure. HTV船型浮阀塔板是适用于常压和加压条件下精馏和吸收塔中的优秀塔板，该塔板首次成功地应用于华北油田化学药剂厂催化裂化主分馏塔的技术改造中。
- He went over and laid down his cup on the tray. 他走过去把茶杯放到茶盘上。
- The fruit is prepackaged in plastic tray. 水果用塑料盘预先包装。
- She set a tray down on the table. 她把托盘放在桌子上了。
- Letters were piled high in the tray on his desk. 他办公桌上的文件盘里有很多信。
- He put the toast on the breakfast tray. 他把烤面包片放到早餐托盘里。
- I tripped over, dropping the tray I was carrying. 我绊了一下，手中的托盘掉在地上了。
- His secretary put his mail in his in tray. 他的秘书将他的信件放到收文盘内。
- The waitress carried the dishes on a tray. 女服务生用盘子端菜。
- She sent back her breakfast tray untouched. 她打发人将一盘她一口未动的早餐送回。
- Lasers can be used to perform operations nowadays. 现在激光可以用来做手术。
- Stub out your cigarette in the ash tray. 把你俩的香烟在烟灰缸里捻熄。
- What functions can this program perform? 这一程序有哪些功能?
- He is going to perform magic at the party. 他将在晚会上表演魔术。
- They always perform their duties faithfully. 他们总是忠实地履行自己的职责。
- Magician often perform tricks such as pull a rabbit out of a hat. 魔术师常常变从帽子抓出兔子的戏法。
- Some computers can perform over a billion computation a second. 有些计算机一秒钟能完成超过十亿次运算。
- The waiter reappeared at his side with a loaded tray. 侍者端著满满一盘饭菜回到他的桌边。
- Upon a little occasional table was a tray with breakfast things. 在一张临时用的小桌子上放着一个盛着早餐及餐具的盘子。
- She perform the duties of a princess with great aplomb. 她泰然自若地履行王妃的职责。
