When we don t operate the multiple directional value handle, the hydraulic oil that pump discharge back to oil box by multiple directional value.
在不操作多路换向阀手柄时，油泵排出的液压油经多路换向阀回到油箱。
Stable T periodic and 2T periodic pulses have been achieved under the low pump power with the CW pumping mode.
在连续的较低的功率泵浦下，实现了激光器的单倍和双倍周期的自持脉冲输出。
The design example of a tranquil flow pump control system of the stepping motor shows that t...
步进电机驱动的平流泵控制系统设计实例表明，这种方案是行之有效的。
Objective to investigate the immune stress response of helper t lymphocyte (th) to the off pump coronary artery bypass (OPCAB) under two general anesthesia methods.
目的研究两种复合全麻下，非心肺转流冠脉搭桥(OPCAB)围术期辅助性T淋巴细胞的免疫应激反应。
Pointed out are the basic demands of fire-fighting pump station design and fire-fighting water pool setting. Analysis is made on setting principles of standby pump at fire-fighting pump station, t…
文章总结了消防给水系统和泡沫灭火系统的设计原则，同时指出了消防泵房布置设计和消防水池设置的基本要求。
Pointed out are the basic demands of fire-fighting pump station design and fire-fighting water pool setting. Analysis is made on setting principles of standby pump at fire-fighting pump station, t…
文章总结了消防给水系统和泡沫灭火系统的设计原则，同时指出了消防泵房布置设计和消防水池设置的基本要求。
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