concentrically stranded conductor 同心绞线 ; 同心绞线导体
concentrically wound coil 同心线圈
concentrically built carbureter 同心式汽化器
concentrically stranded circular conductor 圆形同心绞合导体
concentrically lamellated pattern 环层型
concentrically brace 中心支撑
A mechanical device to position casing concentrically in the wellbore.
用于定位套管使其在井眼内居中的一种机械装置。
On the contrary, the design of Special Concentrically Braced Frames is saving and reasonable.
与此相反，特殊中心支撑框架的设计方法却是更经济、合理的。
The tubing die, Figure 10, extrudes plastic tubing concentrically around the emerging conductor.
螺纹模头(图10)，机械运行时塑料材料是围绕着导体延压出来。
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