n. 附近
复 数:auxiliaries
- to supply heat to the boiler in accordance with the demand for steam, to properly proportion the fuel and combustion air, to supply the proper amount of feed water, and to protect against failure of the boiler and auxiliaries.
使供给锅炉的热量与对蒸汽的需求一致、燃料与燃烧空气恰当的比例、给水量的恰当提供、防止锅炉及其辅助设备的故障。 收藏 - In English the future tense is often rendered by means of auxiliaries.
"在英语中,将来时常用助动词来表现。"收藏
开心词场背单词

