proportiona成比例的, 相称的, 比例数proportionn.部分；比例；均衡；（复）规模vt.使成比例；使均衡；分摊proportion-integral-derivative比例积分微分proportion between zinc and alkali锌碱比Proportion of main operating profit利润质量proportion of the charging material炉料结构proportioning by mortar void method灰浆孔隙配合proportion of the irradiated sludge超声辐照污泥比例proportion of premarital examination婚前医学检查率proportion-integral-differential比例积分微分Proportion of communitive bi-omass群落生物量结构proportionate sharing of the revenue比例包干

1. The mixing proportion of frest water concrete can be used for preparing seawater concrete.
   海水拌和的混凝土配合比可以采用淡水混凝土的配合比。
2. The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced.
   摘要介绍了聚丙烯纤维喷射混凝土的特点及其配合比设计。