1) drum
[英][drʌm] [美][drʌm]

卷管
1.
The research made sure the structure parameter of the drum structure, power system, irrigation cart and suited pump.
9kW手扶拖拉机配套的小型移动卷管式喷灌机,确定了盘卷结构、动力系统、喷头车和匹配水泵等结构参数。
2.
In accordance with the structural & performance parameter design, the drum structure, power system ,irrigation cart and the pump parameters of the tractor mounted hose reeling irrigation machine were described, which was matched with small four wheeled tractors with the highest market share in rural country.
作为农村保有量最多的小四轮拖拉机的一种配套灌溉机具 ,从结构参数的设计出发 ,提出了悬挂式卷管灌溉机的卷盘结构、动力系统、灌水车及所匹配水泵参数的确定方法。
2) reelpipe made of sheet material

板料卷管
3) brazed tubes

卷焊管
1.
Stress and strain analysis of 4-layer brazed tubes;

四层卷焊管的应力应变分析
4) steel reel pipe

钢卷管
1.
Application of lincoln weld in steel reel pipe welding;

埋弧自动焊在钢卷管焊接上的应用
5) rolling process of steel

钢管卷制
6) pipe rolling machine

卷管机
1.
The techniques and requirements on rolling manufacture of conical cylinder by use of pipe rolling machine are presented.
介绍了利用卷管机卷制锥筒的工艺方法及要
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