拖网渔船已经驶离了泽布吕赫港。The trawler had sailed from the port of Zeebrugge.托网渔船上的船员被聚集到甲板下。The crew of the trawler were gathered below decks.一艘渔船不知从什么地方冒了出来，就在正前方。A fishing boat came out of nowhere, dead ahead....
Acid - washed, flux - calcinated diatomaceous earth is often used.通常使用酸洗的, 通量煅烧硅藻土.Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.硅藻土是百年前水生植物沉淀下来的遗骸.Add 20 mg. of diatomac...
...a walk along the ramparts of the Old City.沿着老城的城墙漫步A number of staircases ascend from the cobbled streets onto the ramparts.一段石阶从鹅卵石路上一直向上直通城墙。Blocks of flats have been holed and some shells have fallen within the his...
Objective : To study the choice principle of innocuity and nutrition shampoo material dosage and collocate way.目的: 研究无毒营养洗发液原料的选择以及配制方法.Comparing with traditional flocculant the secondary pollution wasand the biofloccula...