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- SPECIFY: Energized to open or energized to close main valve. 具体说明:通电后开启还是通电后关闭主阀。
- He checked the flow of water by shutting off the main valve. 通过关上主阀他中断了水流。
- The main valve and pilot system can be serviced without removing the valve from the line. 不需要从管线上拆卸阀门,就可以对主阀和引导系统进行维修。
- While unscrewing the injector button head, a second wrench must be used to assure that the injector body is not loosened from the main valve. 在拧松注入器圆头螺栓时，要用第二个扳手固定住注入器，防止其从主阀门上松落下来。
- The high capacity accelerator assures quick valve response to the solenoid signal regardless of the main valve size. 这种高性能加速器确保阀门能够迅速反应电磁阀信号，而与主阀通径无关。
- Supply power to sootblower, push down start button, the main valve will open and close automatically. 对电动机、行程开关应有保护装置。经过载能自动跳阀，并向主控制室报警。
- The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting. 主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
- Where service conditions warrant larger-than-standard by-passes, it is recommended that the installation of the by-passes be around the main valve. 在应用条件允许安装较大的旁路的地方,建议旁路的安装要环绕着主阀门。
- General requirements to the procedure design: 1. Supply power to sootblower, push down start button, the main valve will open and close automatically. 对程序控制设计的一般要求是:1、接通线路电源开关,电源开启后,只需按起动按钮,吹灰管道的总阀即以自动开启、关闭;各吹灰器能按固定程序或选择程序一个个地或成组顺序动作,进行吹灰;吹灰结束后,总阀能自动关闭。
- For snap action, the main valve opens rapidly at set pressure and achieves rated relieving capacity at relieving pressure. 对于快动式先导器，主阀门在达到设定压力时快速打开并且在泄放压力时达到额定排放量。
- In this paper, the main valve width and directive gain for uniform linear array of antennas in phased scanning are estimated. 本文对均匀直线阵列天线在相控扫描过程中的主瓣宽度和方向性系数进行了估算。
- Instrument Division: OLIVER main valve in the United Kingdom, Israel AIM-LET instrument joints, the agent of the Yangtze River Sfeir instrument. 仪表部：主要从事英国OLIVER阀门、以色列AIM-LET仪表接头、长江斯菲尔仪表的代理。
- The reason being unable to reset the main valve in the hydraulic control system of circuit breaker in GIS due to the crack of high pressure oil tube is analyzed in this paper. 本文阐述了GIS中高压断路器用液压机构因高压油管破裂所引起的液压系统中控制主阀不能复位的原因,以及防止和处理类似故障的方法。
- Operated by a 3-way solenoid, the main valve opens fully or closes drip-tight depending upon the actuation position of the solenoid, energized to open/energized to close. 通过一个3路电磁阀操作，主阀全开或无泄漏关闭的运行取决于电磁阀的驱动位置所激发的开启或关闭操作。
- Bypasses are attached at the side of the main valve with the steam of both valves parallel, pointing vertically upward as shown below. 旁路阀与双平行阀的蒸汽，如下所示的立式标记一起附着在主阀的侧面。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- The whole school (was) assembled in the main hall. 全校在大礼堂集合。
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- Fables often have animals as the main characters. 寓言常以动物为主角。
