电缆转弯的曲率半径与电缆平均直径、节径比、节距比 lay ratio 电力软线 flexible power cord 电平(全)带宽、半最大值处(全)带宽 FWHM(full width at half maximum) ..
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This water heater is supplied with a flexible grounded power cord that connects to a standard three-wire grounding-type receptacle.
本热水器配置一根柔软的接地线，用于连接标准的三线、接地插座。
Leads for power-supply connections of a fixed appliance, even though some of this may be in the form of flexible cord.
这些要求所指的内部电线，是指从器具电源线入口处，或从用于连接电源线的接线端子或引线处的互连线，即使有些为电源线导线。
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