Usually,the hydraulic fluid flows into the valve through port a and out through port b。
A.通常,渗透油从A口流入活门,从B口流出。 B.通常,液压油从A□流入活门,从B口流出。 C.通常,滑油从A口流入活门后流经B口。正确答案A
Usually,the hydraulic fluid flows into the valve through port a and out through port b。
A.通常,渗透油从A口流入活门,从B口流出。 B.通常,液压油从A□流入活门,从B口流出。 C.通常,滑油从A口流入活门后流经B口。正确答案A