1.
How to Select the Main Parameters of the Grooved Ball- Chamber of Closed Valve Bonnet on Sucker Rod Pumps.
抽油泵闭式阀罩槽形球室主要结构参数的选择
2.
The structure of closed valve bonnet influences the perfor-mance of sucker rod pumps.
闭式阀罩是影响抽油泵使用性能的零件。
3.
A 100/150 Type High Efficient Full Enclosed Hood
引进100/150型高效全保温封闭式汽罩
4.
A Method to Accelevate the Closing Process of The Main Valve Opening of Pilot Relief Valve;
加快先导式溢流阀主阀口关闭过程的方法
5.
Development of Servo and Proportional Valve Controller for Internal Rubber Mixer;
密闭式炼胶机比例伺服阀控制器的开发
6.
On edge absorbing push drag active hermetic hood ventilation cleaning system,use 40 percent wind amount of seam high side double on edge absorbing groove hood.
研制的侧吸式推拉活动密闭罩比条缝式高截面双侧吸槽边吸气罩可节省60％风量。
7.
Characteristics of vertical time-lapse self-closing flush valve: they are time-lapse, self-closing, beeline of water route.
立式延时自闭冲洗阀特点：延时自闭、水流路径成“一”字型，有手柄式、按钮式、脚踏式。
8.
Self-closing connect valve can be installed at apron, high and low point draining outlet of depot pipeling.
自闭式接头阀可安装在机坪、库管线的高低点排放出口。
9.
The application of the command formula in CAXA on analyzing the principle of the triple eccentric butterfly valve start-stop
利用电子图板的公式曲线功能分析三偏心蝶阀启闭性能
10.
Application of protected type permanent magnetic stepping fully closed motor used for electric gate valves
屏蔽式永磁步进全封闭电机在电动闸阀上的应用
11.
Our Tilting Disc Check Valves are designed for quick opening and closing in severe service applications and the elimination of water hammer.
我们的翻转式阀瓣止回阀专用于在严酷的应用环境下迅速开启和关闭，避免出现水锤现象。
12.
After draining, close drain valve.
排泄完毕，关闭排泄阀。
13.
automatically shutting pressure of needle valve
针形阀自动关闭压力
14.
Characteristics of cross-joint flush valve: they are time-lapse, self-closing, beeline of water route.
卧式冲洗阀特点：延时自闭、可以适应各种水流路径成,有手柄式、按钮式、脚踏式。
15.
Gate valves serve as efficient stop valves with flow in either direction.
闸阀可作为流体双向有效的关闭阀。
16.
The stem rises and lowers as the valve is opened and closed.
当阀门开启或关闭时，阀杆上升或下降。
17.
Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
阀门的缺点：阀门难以关闭，要求操作者二次关闭阀门。
18.
A boxlike covering or enclosure.
盒式箱罩,盒式包装