Solenoid operated pump control for controlled opening and closing on pump start-up and shut-down.

通过在泵开和关时电磁阀所进行的开启和关闭来操作泵控制阀。

youdao

Intensification logic valve start is directly controlled by pilot valve without any intermediate links, so the building-up time of intensification is fully guaranteed.

增压逻辑阀的开启直接由先导阀控制，不经过任何中间环节，使得建压时间得以充分保证。

youdao

A computer program is developed to simulate the start-up behavior of controlled-circulation and natural-circulation boilers on the basis of mass, momentum, and energy equations.

根据锅炉启动过程中各个部件管内工质、管外烟气及汽包所遵循的流动传热方程，开发了控制循环与自然循环锅炉启动过程模拟程序。

youdao

CGI, a start-up investment firm that is based in Beijing and is controlled jointly by the mainland's telecoms industry and Citic Guoan, a media group, was said to be preparing a joint bid with Netcom.

ECONOMIST: Telecoms