How should the word of empty fill? Exercise useful? How to take exercise?

How often do you take exercise?

你多久锻炼一次?

We should take exercise to build up resistance to disease.

我们应该坚持锻炼以增强对疾病的抵抗力.

I often take exercise. Why only yesterday I had breakfast in bed.

我经常锻炼. 只是昨天我是在床上吃的早饭.

Take exercise if you are out of shape.

如果你身材不好就要锻炼.

Made of good-quality glass tube and special insect alluring powder which can radiate special wavelength.

采用优质的玻管和特殊的诱虫荧光粉,以产生特殊的紫外线波长.

The heating material was printed on glass tube, on quartz tube, quartz plate, etc.

加热材料被印上玻璃管, 石英管, 石英板等.

The company has output of glass tube for more than 50 sets of abilities.

公司拥有年产玻璃试管机50多台套的能力.

Made of special glass tube and fluorescent powder.

采用特殊玻管和荧光粉.

The glass tube ends in a bulb.

玻璃管的末端呈球形.

A glass tube for enclosing flame of a lamp.

一种在一端关闭的玻璃管道.

Made of-quality glass tube high transmission and special powder.

采用优质的高透光玻管和特殊的荧光粉.

Foshan Chancheng Nanzhuang Shangjin Copper Tube Factory is located at Pearl River Delta.

佛山市禅城区南庄上金铜管厂,位于我国发展迅速的珠江三角洲地区.

A low viscosity oil designed for punching pre-coated aluminium sheet, copper tube expansion and bending.

低粘度金属加工油,适合于空调行业中预涂铝鳍片的冲孔加工, 也适合于铜管的弯管和胀管加工.

Seamless steel tube industry, the parties concerned regulation is what can have more effect, the iron?

无缝钢管业内各方关注的是,这次整治效果, 究竟能有多铁?

PROPORTIONAL CHARGE-OVER VALVE AND ITS APPLICATION TO φ140 SEAMLESS STEEL TUBE ROLLING MILL ( concluded )

换向-比例阀及其在φ140无缝钢管厂的应用 ( 续完 )

Suitable and thin materials of steel tube.

适用于管材,圆钢,板材.

Presently, expansion concrete is widely applied to arch steel-tube-bridge.

目前微膨胀混凝土在钢管拱桥中广泛应用.

No quality round bloom , no quality seamless steel tube.

优质的圆管坯是生产高质量无缝钢管的前提.

Stress and metal flow in steel tube during sizing process were analyzed.

分析了定径过程中钢管内金属流动和弹复行为.

Introduced hot-rolling seamless steel tube to produce development trend of the technology.

介绍了热轧无缝钢管生产技术的发展趋势.