查询词典 Swallowtail Butterfly

Butterfly valve structure simple, small size, light weight, only by a few parts.

蝶阀结构简单、体积小、重量轻，只由少数几个零件组成。

Formerly, the butterfly valve in this location caused flow problems during it's rotation.

以前，在这个位置的蝶阀在其阀瓣旋转过程中会产生流体流动不顺畅的问题。

Three eccentricity metal sealing butterfly valve is generally used in heating system, trunk and main branches.

三偏心金属密封蝶阀一般用在供热系统的主干线以及主分支上。

Applied to the control valve angle stroke main valve, butterfly valve and so on.

应用于角行程控制的阀门主要有球阀、蝶阀等。

The traffic flow Butterfly valve, cheapest, and 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。

We know that, with the exception of butterfly valve and the valve is completely symmetrical in structure, all other structures are asymmetric valve.

我们知道，目前除了蝶阀和隔膜阀在结构上完全对称外，所有其他结构的调节阀都是不对称的。

Three eccentric metal sealing butterfly valve is generally used in heating systems on the trunk and main branches.

三偏心金属密封蝶阀一般用在供热系统的主干线以及主分支上。

Simple construction of the Model-C butterfly valve results from its unique design.

独特的设计使得型号C蝶阀具有结构简单的特点。

But as technology development, has developed a hard sealed off valve, making the butterfly valve temperature and pressure of a greater increase.

但随着技术的发展，已研制出硬密封蝶阀，使得蝶阀的工作温度和压力有较大的提高。

On the basis of structure and principle, fault causes of pneumatic butterfly valve are analyzed, and precautionary measures are proposed.

从结构和原理入手分析了气动蝶阀故障原因并提出了防范措施。

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。