In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate...
Lead is more solvent in acidic water.铅在酸性水中更易溶解。We must cut back on expenditure in order to remain solvent.我们应减少开支,以备急用.Gasoline is a solvent liquid which removes grease spots.汽油是一种能去掉油污的有溶解力的液体....
这笔贷款是以美元计算的。The loan was denominated in US dollars.读写和计算的水平standards of literacy and numeracy现金收入是从总收入中减去总贸易收入来计算的.Cash income is calculated by subtracting total trading income from total receipts....
船已葬身海底,无法打捞。The ship was buried, beyond retrieval, at the bottom of the sea.对失事油轮的打捞the salvage of the wrecked tanker他们在河底打捞失踪男孩的尸体.They're dragging the river for the body of the missing boy....
所有的渡船都免费或以极低的收费运载自行车。All the ferries carry bicycles free or for a nominal charge.运载急需食物和药品的飞机今天在巴格拉姆机场降落。Planes landed at Bagram airport today carrying badly needed food and medicine.英国会对运载证件不齐全的乘客进入国内的航空公司课以罚款。Britain i...
Compound surfaces are more difficult and expensive to fabricate.复合的表面在制造上更困难,花费也更大.Small rectangular backup bars were used to fabricate the web - bottom flange connection.在腹板与下翼缘的施焊中使用小矩形挡板.Cables and towers are small an...
他们的水在几周以前就毫无理由地被切断了。Their water was turned off weeks ago without explanation.志愿者记录下他们一周所吃的所有食物。The volunteers kept a record of everything they ate for a week.新的饮食类书籍差不多一周出一本。New diet books appear at a rate of nearly one ...