筛子sieve
单位筛选面积产量capacity per unit area of screening【粮食】;capacity per unit sieve area【粮食】
韧皮部phloem; sieve-portion
分子筛molecular sieve
类脂体泸器说lipoid filter theory; lipoid sieve theory
过罗sieve
滤板filter board【化工】;sieve-plate【化工】
导管状筛管vesselform sieve tube