單項選擇題
A.法蘭 B.螺紋 C.焊接 D.螺紋及法蘭
A.5.3 B.7.5 C.8.5 D.11.5
A.0.05 B.0.10 C.0.30 D.0.24
A.6 B.5 C.4 D.2
A.G16 B.G6.3 C.G2.5 D.G1
A.高,小 B.低,小 C.低,大 D.高,大
A.300~350 B.350~400 C.400~450 D.450~500
A.10 B.20 C.40 D.50
A.0.055,0.045 B.0.045,0.04 C.0.05,0.06 D.0.045,0,05
A.等溫加熱 B.等壓加熱 C.既是等溫加熱,也是等壓加熱 D.既不是等溫加熱,也不是等壓加熱
A.20~30 B.30~50 C.60~80 D.100~120