14. 冷凍系統中的滑油,可能在蒸發器內形成一薄膜,而降低系統的冷凍能力,故需安裝油分離器(Oil seperator)以回收滑油,此分離器的安裝位置為於何處?(A) 蒸發器出口(B) 壓縮機出口(C
19. U形管壓力表係利用管內液體呈現壓力值,其安裝方式下列何者正確?(A) 一端連接壓力源、另一端與大氣相通(B) 一端連接壓力源、另一端封閉(C) 一端連接壓力源、另一端連接壓縮空氣管路(D) 兩
20. The ___________ that controls the output of generator adjusts the current feeding into asmall wi
22. ________ is a device for separating different materials by means of an outward force on abody ro
24. I can tell you the actual internal____________ of a pipe depends upon the pipe standardand sched