双螺旋的 bipatch; double helical; double-helical; narrow groove 双螺旋灯丝 coiled coil; coiled-coil filament; double helical heater ..
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gouge out a narrow groove 凿出窄槽
Narrow groove welding torch 发明名称
A Narrow Groove 一种狭隘常规
Ring narrow groove 环形窄槽
Narrow groove theory 窄槽理论
The correct processing of narrow groove which is not equidistant always has a difficult problem.
不等距的窄槽找正加工是机械加工的难题之一。
The experiments using foil electrode and wire electrode of different size are carried out to produce narrow groove.
文中分别进行了片状电极和丝状电极之间、不同直径丝状电极之间的窄缝电解加工对比试验。
The author deals with the flow of fluid through a pipe with narrow groove, and obtains the distribution of velocities in the flow field.
本文研究了流体流过带有狭槽的管道的流动问题，得到了流场中的速度分布规律。
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