round tube 圆通
Side round tube 边管圆管
Middle round tube 中管圆管
extruded round tube 挤压圆管 ; 挤压轮管
Round Tube Triple Guitar Stand 圆管三角吉他架
round-eared tube-nosed bat 圆耳管鼻蝠 ; 圆耳管鼻果蝠
round tube radiator 圆管散热器
The round-tube flame-proof surface has perect property on safety reliability;
圆筒隔爆面，防爆性能好，安全可靠；
It is very important to study the propagation of premixed flame in a round tube or parallel channels for the safe operation and application of many industrial combustion facilities and systems.
研究预混火焰在圆管或平行通道中的传播，对许多工业燃烧装置或系统的安全操作和实际应用都具有重要的意义。
Twisted tube is a new kind of high efficient heat transfer tube, which is made by contorting round tube.
扭曲管作为一种新型高效的强化传热管型，是以直圆管为基础，通过旋转扭曲而成。
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