A.正壓 B.負(fù)壓 C.常壓 D.壓力變化 E.超高壓
A.轉(zhuǎn)筒轉(zhuǎn)速 B.轉(zhuǎn)筒離心力 C.轉(zhuǎn)筒長(zhǎng)度 D.轉(zhuǎn)子直徑 E.轉(zhuǎn)子長(zhǎng)度
A.4.2tswu B.4.3tswu C.4.4tswu D.4.5tswu E.4.6tswu