要控制灌溉水的入渗深度,尽量减少水分下渗损失, 节约用水,保护环境.It is requirement of controlling irrigation water depth, lessen down water losing.大部分电池中含有汞, 进入土壤或下渗到地下水中, 污染环境,危害人类.Most of batteries containing mercury, Infiltration into the soil or g...
这部影片的票房收入开始的时候持续上涨，但是后来急剧下降。The film opened to healthy box office receipts before rapidly falling off.全体演职人员以一种真正的专业精神，从容不迫地开始了影片的制作。The whole cast executed the production with truly professional aplomb.影片的预算决定了拍摄进度会很紧张。...