查询词典 Swallowtail Butterfly

Limited by the ring material, the use of butterfly valve pressure and low temperature range.

受密封圈材料的限制，蝶阀的使用压力和工作温度范围较小。

Butterfly valve features:(1) simple structure, small dimensions.

蝶阀的特点：（1）结构简单，外形尺寸小。

Butterfly valve of the flow rate, the cheapest, but there are several different caliber.

蝶形阀的流量大，价格最便宜，而且有多种不同的口径。

For this reason, butterfly valve can only be used for load fixed occasions.

由于这一原因，蝶形阀只能用于负载固定不变的场合中。

However, the use of hard-seal butterfly valve pressure and operating GATE VALVES temperature range, has greatly improved.

但硬密封蝶阀的使用压力和工作温度范围，都有了很大的提高。

As at the end of October 2006, from more than 30 countries and regions to invest in China in 1400 established a number of architectural design or construction enterprises. Butterfly valve

截至2006年10月底，来自全球30多个国家和地区的投资者在我国境内设立了1400多家建筑设计或建筑业企业。

Technology development benefits of high-performance butterfly valve control valves and similar products at home and abroad in a leading position.

以先进的技术与管

Features:- Neotecha butterfly valve is its most important features of the stem seal.

特点： --Neotecha蝶阀最重要的特点是它的阀杆密封。

Butterfly Valve Factory of Tianjin is a professional production of high-, medium-pressure valves and high-tech industries.

天津市蝶阀厂是一家专业生产高、中压阀门的高新技术产业。

The company specializes in the production of various kinds of electric pneumatic control valve, butterfly valves, valve.

本公司专业生产各类气动电动调节阀、蝶阀、球阀。

Those who loved reading were obliged to send for their books from England; the members of the junto had each a few

那些喜欢看书的人就得从英国购书，讲读俱乐部的的成员每人都有几本。

Three fourths of the earth's surface is covered with water.

地球表面的四分之三被水覆盖着。