A.≤1% B.≤5% C.≤10% D.≤20%
A.≤1% B.≤2% C.≤1轉(zhuǎn)/分鐘 D.≤2轉(zhuǎn)/分鐘
A.0.1~0.2MPa B.0.2~0.3MPa C.0.3~0.5MPa D.0.5~1MPa