1) no leak gradient
无泄漏压降线
2) radio leakage
无线电漏泄
1.
Considering the difficulty of underground transmission of radio wave and comparing by the leakage coaxial cable,the radio leakage of single conductor at medium frequency band is analysed with theories and experiments,and the application prospect of the single conductor is expected.
针对无线电波在地下传输的困难,对比漏泄同轴电缆,从理论和实验分析了单导线在中频段的无线电漏泄,并展望单导线的应用前景。
2.
Due to the difficulty of subsurface radio transmission,radio leakage of parallel leads is theoretically and experimentally analyzed compared with leaky coaxial cables,and the application is described.
针对无线电波地下传输的困难,对比漏泄同轴电缆,从理论和实验分析了平行双导线在中频段的无线电漏泄,并对平行双导线的应用前景做了展望。
3) the wireless leak correspondence
无线漏泄通信
4) no leakage
无泄漏
1.
The structure defect of automatically controlled vertical self-suction pump was analysised,which is commonly used in market,and the self-suction theory,structure and design of vertiacl self-suction pump with upright suction and no leakage was introduced.
分析了市场上常见的自控自吸立式自吸泵的结构缺陷,介绍了系列垂直吸水无泄漏立式自吸泵的自吸原理、结构和设计要点。
6) zero leak pump
无泄漏泵
补充资料：无线电通信波段(见无线电通信)
无线电通信波段(见无线电通信)
radio communication wave range
wuxiandian tongXin boduan无线电通信波段(rads。。ommunicationWaVe range)见无线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条