The main hot-air welding equipment supply systems. heating system and the composition of the welding torch.

He was promoted in virtue of his abilities.

他是靠他的才能被提升的.

She was promoted in virtue of her abilities.

她凭她的才能而获得提升.

He claimed a pension in virtue of his long military service.

他由于曾经长期服役而要求养老金.

They impressed on their children the virtue of always telling the truth.

他们让自己的孩子铭记永远诚实的美德.

I know no other leader who understood so well the virtue of solitude.

我不知道有其他的领导人能象他那么清楚地了解孤独的好处.

He claimed a pension in virtue of his long illness.

由于长期生病,他申请救助金.

There is indeed an expanding universe, and it is formed in the eternal present.

确实有个正在扩展中的宇宙, 而它是在永恒的现在被形成.

It lays the foundations for the scope of return of unjust enrichment in the next chapter.

所有这些都是为下一章的不当得利返还范围阐述奠定基础.

Since 1960, some three dozen unmanned spacecraft have blasted off for Mars.

自从1960年以来, 前往火星探险的无人太空船已经多达30余艘.

Exploring the moon with unmanned spacecraft was no easy task.

用无人驾驶的航天器去探索月球可不是一件容易的事.

Although earnings are suffcient, yet try to manage your financial plan better to avoid unnecessary expenses.

收入虽多,但应谨慎理财, 减少不必要的开支.

We should save unnecessary expenses.

我们应节省不必要的开支.

Send out a red light on all unnecessary expenses.

发出指示停止一切不必要的开支.

I decided to take them myself so as to avoid unnecessary expenses.

我觉得自己带上,免去不必要的浪费.

Just witness the increasing number of companies asking employees to take unpaid leave.

看看那些要求员工休无薪假期的公司吧,这类公司已越来越多.

Expect to take unpaid leave-this is a profession-wide trend a nyway.

有接受无薪假期的心理准备,无论如何这是在专业中盛行的趋势.

My boss allowed me to take a week's unpaid leave.

老板批准了我可以不带薪休假一周.

S . dollars . In response to the current global financial crisis, cooperation has reached an unprecedented scale.

当前全球在应对金融危机方面的合作已达到了前所未有的规模.

We are seeing unemployment on an unprecedented scale.

我们现在正经历规模空前的失业现象.

In 2000, China's diplomatic work featured vigorous activities on an unprecedented scale.

中国2000年外交工作的一大特点是多边外交空前活跃.