- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
泵出口壓力表接頭直徑尺寸為（）
A.1/4"
B.1/8"
C.1/2"
D.1"
A.1/4"
B.1/8"
C.1/2"
D.1"
