A.0.1g B.0.01g C.0.001g D.0.0001g
A.120ml B.150ml C.200ml D.250ml
A.不設(shè)洗水槽 B.不設(shè)落水管 C.落水管下方應(yīng)設(shè)盛水彎頭,和陰溝相通 D.落水管直通陰溝