A.700t/h;600t/h B.800t/h;600t/h C.800t/h;700t/h
A.越強(qiáng) B.越弱 C.不變
A.直接口 B.斜接口 C.人子形接口
A.3 B.6 C.9
A.1400mm;1400mm B.1000mm;1400mm C.1400mm;1000mm
A.1/3 B.2/3 C.3/4 D.1/2