管子工

Another feature of HEDDTB is that its tubes' buddle is composed of tubes with different diameters, which lead to a smaller fluctuation of heat transfer coefficient in the condition of fluctuating flux than that of the heat exchanger with tubes that has the same diameter in the case of low Reynolds number.

异径管束换热器的换热管束由直径不同的管子组成，这种换热管束在低雷诺数下传热系数随流量的波动相对同径管束而言较小，因此异径管束有一定的抗传热系数波动的性能，这使得换热器在流量波动的工况下工作性能稳定。

By using frondose numeric analysis of ANSYS software to technics process about pipe bulging and operation condition, pointed out how to choose pipe material and plate material better to solve the problem of bulging-contacting and leakage.

通过利用ANSYS软件对胀管工艺过程、运行工况的具体数值分析，指出了选用何种管子材料和管板材料相匹配能较好地解决胀接和密封性问题。

But their plumbers never learned how to turn off the wa-ter at the main.

但他们的管子工从来不学如何关掉总开关。

Plumbers will not come. Nor, at the higher level, will doctors.

管子工叫不来，在更高的层次上，大夫更是难请。

The people that you usually call on for assistance, like temporary help, plumbers, or baby-sitters, may not be available.

那些你经常需求帮助的人，像临时帮助、管子工或保姆，可能无法帮你。

The man who gained fame during the 2008 presidential election as "Joe the Plumber" is in Israel, working as a rookie war correspondent.

在2008总统大选中出名的管子工Joe现在在以色列做一名新的战地记者。

He is a really good plumber, for he knows his job inside out.

他确实是个很棒的管子工，精通自己干的一行。

Society needs doctors ,1awyers , engineers , teachers to perform specific tasks necessary to its operation , just as it needs carpenters and plumbers and stenographers .

就像社会需要木匠、管子工、速记员一样，社会也需要医师、律师、工程师、教师，来完成特定的工作以维持其运转。

Society needs doctors lawyers engineers teachers to perform specific tasks necessary to its operation just as it needs carpenters and plumbers and stenographers.

就像社会需要木匠、管子工、速记员一样，社会也需要医师，律师、工程师、教师，来完成特定的工作以维持其运转。

A good example is the owner of a plumbing company who, since making it big a couple of years back, treats his wife to a $35,000 Rene Lautrec handbag bag twice a year.

举出一个好例子：一家管子工公司的老板因为前两年赚到了钱，如今每年给妻子买两次价格为3.5美元的 Rene Lautrec手包。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐