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- back flow of sewage 污水倒灌
- Capacitance vessels constrict, increasing the back flow of venous blood. 容量血管收缩;静脉回流量增加.
- This pressure inversion can cause back flow of the process materials into the cylinder, or "suck back". 这种压力倒置会引起过程物质回流入钢瓶，或“吸回”。
- In this paper,we present a new type of hybrid arc quenching system,which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- What is the function of the back flow valve? 逆止阀的功能是什么?
- A flow of word is no proof of wisdom. 口若悬河，未必明智。
- Turn the cock to increase the flow of water. 请开大龙头以增加水流量。
- Mines: drainage of sewage and sludge. 矿井排污水、污泥。
- The business has a cash flow of￡50000 a month. 这家商行的现金流转为每月五万英镑。
- Ponds of sewage treatment,escape canals. 污水处理池，排水沟渠，游泳池。
- THE BIOCHEMISTRY OF DETEST OXYGEN ABOUT SERIES FLOW OF SEWAGE 污水连续流厌氧生化
- The ebb and flow of politics in Washington goes on as usual. 华盛顿的政治风云，一如既往，仍然变幻莫测。
- She was suffering a mysterious ebb and flow of mood. 她情绪一时高涨一时低落，令人捉摸不透。
- The disposal rate of sewage reached 42 percent in Beijing. 全市污水处理率达到42%25；
- An unchecked flow of water; an unchecked temper. 顺畅的水流; 无拘无束的脾性
- An endless flow of word stream from the same orifice. 一连串滔滔不绝的话都是同一张嘴巴讲出来的。
- Effects of land utilization of sewage sludge on crops and soils. 污泥土地利用对农作物及土壤的影响研究。
- The flow of tourist into the temple have wear away the step. 参观寺庙的游客络绎不绝，把台阶都踩坏了。
- Currently, 70 percent of sewage is treated and used for irrigation. 现在，70%25的污水已经被用于灌溉。
