?8482.Hydraulic fluid reservoirs are sometimes designed with a standpipe in one of the outlet ports in order to assure emergency supply of fluid.The outlet port with the standpipe in it furnishes fluid to the
发布于 2021-02-18 22:10:46
【单选题】 A ?emergency pump when the fluid supply to the normal system has been depleted. B ?emergency pump at any time it is required. C ?normal system power pump.
