... sieve-plate column 筛板塔,筛板柱 sieve problem 筛问题 Sievert 希[沃特](剂量当量单位,等于1焦耳/公斤) ...
双语例句
1
The invention relates to a modification method of a SAPO molecular sieve, mainly aiming at solving the problem of poor performance of the SAPO molecular sieve in the prior art.