1·The heaters have water-filled steel tubes that zigzag in front of a reflective surface, which concentrates the sun's rays on the tubes.
这种加热器装有充满水的钢管，在反射面前头曲折布置，反射面将太阳光聚焦在钢管上。
2·Can be customized and seamless steel tubes of various tube.
可以定做各种管坯及无缝钢管。
3·It is made from steel tubes, bicycle parts and a tractor tyre.
据悉，此车由现年 29岁的沃特收集来的钢管、自行车组件和拖拉机轮胎等拼装而成。
4·Diameter of 159 mm main production following the seamless steel tubes.
的规模。主要生产直径159毫米以下的无缝钢管。
5·Presently, most structures of platforms are fabricated by steel tubes.
目前，海洋平台中大多数结构是由钢管焊接而成。
6·The company also operating seamless steel tubes and energy-saving equipment.
中居前列。公司还经营无缝钢管和节能器材。
7·Concrete filled steel tubes can be considered as a kind of composite material.
钢管混凝土是在钢管内填充混凝土组成的一种组合材料。
8·It is proved that the third one is the best for cold-drawn steel tubes at present.
实践证明，第三代磷化剂是目前使用性能最好的一种冷拔钢管磷化剂。
9·These rockets are popular because they are cheap, they're easy to make out of steel tubes.
因为价格低廉，所以这些火箭很受欢迎的，它们很容易用钢管做出。
10·Processing users, can be customized direct non-standard and special types of seamless steel tubes.
用户可以来料加工，也可以直接定做非标，特殊型号的无缝钢管。