... backfill compactor 回填土压实机 backflow barrier 逆止阀 background heating 背景供热 background noise level 背景噪声级 ...
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background d heating 背景供热
She has no business background but recently received two chickens and a goat from the bank and started selling eggs and heating oil from her house.
乔安特没有什么商业背景，不过最近从银行里领到2只鸡和一头山羊，她便在她房子那里开始卖鸡蛋和燃料油。
Taking Urumqi City supply heating system as background, the article USES clean production thinking way to find and solve thermal energy waste in supply beating course.
以乌鲁木齐市供采暖系统为背景，用清洁生产的思维方式发现和解决采暖过程中热能的浪费。
This paper introduces the rebuilding background of the heating furnace for 8MN hydraulic machine and expatiates the constitute of heating furnace and the construction characteristic in detailed.
介绍了8MN快锻机组锻前加热设备改造的背景，详细阐述了加热炉改造的主要内容及结构技术特点。 技术改造取得了明显的效果。
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