词汇	return sand ratio
释义	return sand ratio 返砂比
随便看	minorin Minorin minor in minor incidental details minor incidental out-of-pocket expense Minor incision Minor incisional operation minor-incision cholecystectomy minor incision extraction of cataract minor incision operation minor incompatibility minor inconsistence minor industry minorine minorities and poverty-stricken areas minorities and religions minorities area minorities areas Minorities college minorities cultural tourism minorities culture minor infraction minor infractions of EU regulations minor in French minor injury