A.斷續(xù)運轉(zhuǎn)72h B.連續(xù)運轉(zhuǎn)72h C.連續(xù)運轉(zhuǎn)48h D.斷續(xù)運轉(zhuǎn)48h
A.1-2 B.2-3 C.3-4 D.4-5
A.3.0-3.5 B.4-5 C.5-8 D.8-10