锌基合金的压铸件总是在氰化镀液中镀铜.Zinc base die castings are always copper plated in cyanide baths.简要回顾了无氰碱性镀铜的发展历史.The development history of cyanide - free copper electroplating is briefly reviewed.指出了普通镀铜工艺的缺点.The disadvantages of c...
These apertures restrict the amount of light that can reach the detector.这些光阑将会限制到达探测器的光线的总量.Note as well that the above considerations apply when all the apertures are illuminated completely coherently.还要注意,当所有的孔都以完全相干的...
September is here, bringing with it a chill in the mornings.9月到了,早晨已有了寒意.He left the company by mutual consent last September.去年9月，经双方同意，他离开了公司。New owners will have to wait until September before moving in.新业主要等到9月份才能入住。...
After a three-weekend courtship, Pamela accepted Randolph's proposal of marriage.经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。After sixteen years of marriage they have grown bored with each other.结婚16年后，他们已经渐渐彼此厌倦了。Mr Olaechea has Brit...
We gave him mouth-to-mouth resuscitation and heart massage.我们对他进行了口对口复苏救治和心脏按摩。Chinese herbal pharmacies, and traditional massage therapists in the Vancouver telephone book.中药店, 和传统的按摩师在温哥华的电话簿里.She was given artificial ...
几个月以后,我弟弟作为号兵应徵入伍.A few months later my younger brother enlist as a bugler.在一场战争中,有个号兵被敌人抓获了.The trumpeter taken prisonerstrumpeter was captured by his enemy in a battle.号兵吹出告警的号声.A trumpeter sent out a warning blast....
炉上烤的蛋糕使满屋子气味喷香.The cake baking in the oven made the whole house fragrant.饭菜喷香.The dishes smell delicious.他们都饿了,因而感到饭菜喷香.They were all hungry and the food smelt good....