足球赛后大群人从各个门中涌出.The large crowd funneled out of the gates after the football match.你们旅馆有为大群人服务的设备 吗 ?Does your hotel have facilities for large numbers for people?大群人聚集在展览大厅的门口.A multitude of people gathered at the gate of...
The waste after mercerization produces an effluent containing 5 % NaOH.丝光后产生含碱量5%的废液.The original purpose of mercerization was to improve the luster of cotton fibers.丝光的本来目的是改善棉丝维的光泽.Mercerization of cotton fabrics is st...