单词	pre-cast hollow slab
释义	pre-cast hollow slab 预制空心板梁
随便看	complementary account complementary accounts complementary action complementary action of protein complementary active pixel sensor complementary activity Complementary adding monomer AM complementary addition complementary adjacent angle Complementary advantage complementary advantages complementary after complementary afterimage complementary after image complementary after-image complementary agency complementary agreement complementary air complementary air-conditioning system complementary alleles complementary allelic frequency complementary alliance complementary amplifier complementary amplitude response Complementary analysis of gene function