1) back commutation
背后击穿
1.
Now the back commutation, during which arc moves in and out of chutes, leads to arc voltage drop and worsen the performance of circuit breaker.
但目前发现在开断过程中电弧反复进出灭弧栅片的背后击穿现象引起电弧电压的突降 ,降低了开断性能。
3) Post Lumbar-Puncture Backache
腰穿后背痛
4) post arc restriking
弧后重击穿
5) Postpunetura Lumbago
穿刺后腰背痛
6) Puncture
[英]['pʌŋktʃə(r)] [美]['pʌŋktʃɚ]
击穿
1.
This paper introduces in detail the structure, techniques, photoelectric properties and the theory of puncture and light.
详细介绍了长弧氙灯的结构、工艺、光电特性、击穿和点燃机理 ,总结出灯的几大特点 ,并对长弧氙灯的应用前景进行了展
补充资料:背后
①后面:山~。②不当面:有话当面说,不要~乱说。
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