煤气

Heat and mass transfer with spraying in Venturi tube is very complex in converter coal gas recovery system.

在转炉煤气回收系统中，文氏管内部有喷射行为的传热传质非常复杂。

When they were out for a holiday, they cut off the water, electricity and gas.

当他们外出度假时，他们切断了水、电和煤气。

When we were away on our holidays, they came and cut off the water and the gas.

我们外出度假时，他们就来切断水和煤气。

Scope: petroleum, chemicals, medicine, food, gas, gas and water treatment and other industries.

适用范围：石油、化工、医药、食品、天然气、煤气及水处理等行业。

And what about water, gas and electricity?

水， 煤气和电呢？

With the medium is water, gas.

用介质为水、煤气等。

Electricity, gas and water were considered to be natural monopolies.

电、煤气和水垄断经营过去被认为是自然而然的。

This paper has manage for water,electricity and gas by computer.

应用计算机对水、电、煤气等收费进行管理。

It is gas heated at the water point?

这最后一句是指那种用煤气的热水器吧

Welkin Group which consists of Foshan City Welkin Machinery Co.,Ltd and Foshan City Huatong Energy Equipment Development Co.,Ltd concentrates lots of technique pioneers who bring in and apply the advanced European two-stage coal gasifier. With the development of research, we have continuously improved and updated our products, and gradually formed a series of high quality products which are suitable for domestic and overseas production conditions. The excellent quality and performance which are energy-saving, environment-friendly, highly-automatic, safe and easily-operating have won high acknowledgement from our customers.

华同能源集团由佛山市华同能源设备开发有限公司、佛山市奥肯机械有限公司两家专业技术及设备制造公司组成，集中了中国第一批引进和使用欧洲国家先进的两段式煤气发生炉的技术骨干，在实践提高的基础上，不断改进和创新，逐渐形成了一系列适合于国内外生产条件的产品，其优异的节能环保、高自动化、安全易操作的产品质量和性能得到广大客户的充分认可。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。