A.V=QV′ B.V′=QV C.V′=F/Q D.V′=(F+V)/Q
A.等于27 B.大于或等于37 C.小于37 D.小于或等于37
A.總時(shí)差、專(zhuān)用時(shí)差、線(xiàn)段時(shí)差 B.總時(shí)差、專(zhuān)用時(shí)差、局部時(shí)差 C.專(zhuān)用時(shí)差、線(xiàn)路時(shí)差、局部時(shí)差 D.線(xiàn)路時(shí)差、結(jié)點(diǎn)時(shí)差、總時(shí)差