32.通常小口徑低壓鋼管或銅管,採下列何種方式連接?
(A)法蘭(Flange)接頭
(B)焊接或熔接(Welding)
(C)螺紋(Thread)接頭
(D)膨脹(Expansion)接頭
答案:登入後查看
統計: A(13), B(13), C(84), D(7), E(0) #1199893
統計: A(13), B(13), C(84), D(7), E(0) #1199893