查询词典 valves

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。

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

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。

Butterfly valve structure principle is particularly suitable for production of large diameter valves.

如果要求蝶阀作为流量控制使用，主要的是正确选择阀门的尺寸和类型。

Since the engine has no valves, it doesn't need any camshaft, valve lifters and so on

因为发动机没有阀门，它不需要任何凸轮轴、起阀器等。

In the engine, cams on the camshaft cause the intake and exhaust valves to open.

在发动机中，凸轮轴上的凸轮控制进气门和排气门的开启和关闭。

This design is the engineering of the instrumentation system to the reactor in PX Plant in which there are 4 single loop control, 2 cascade control and all the controllers and control valves are selected and calculated carefully to the system, the CENTUM control system will be used .

本设计对PX装置异构化单元反应器进行自动控制系统设计，其中共设计单回路系统4个，串级控制系统2个，并对控制系统所涉及到的控制器，控制阀等进行了选择且进行了相关的计算。

This design is the engineering of the instrumentation system to thereactor in PX Plant in which there are 4 single loop control, 2cascade control and all the controllers and control valves areselected and calculated carefully to the system, the CENTUM controlsystem will be used .

本设计对PX装置异构化单元反应器进行自动控制系统设计，其中共设计单回路系统4个，串级控制系统2个，并对控制系统所涉及到的控制器，控制阀等进行了选择且进行了相关的计算。

Just replaced the cylinder, piston, piston rings, valves, valve oil seal, camshaft, crankshaft, when the regulatory chain, oil pump chain, and a full set of the main drive plate, transmission belt.

刚换过气缸，活塞，活塞环，气门，气门油封，凸轮轴，曲轴，时规链，机油泵链，全套主驱动盘，传动皮带。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐