(音)クゥワンタム クリプトウゥグラフィ
ある2点間の電位差を測る電気計器。
A voltmeter is an electrical meter that measures the voltage difference between two points
a battery
(pl) batteries
amperage
電流量(アンペア数)
An ammeter is a measuring instrument used to measure the electric current in a circuit.
= S
電磁接触器(magnetic contactor)と熱動継電器(thermal relay)で構成されたスイッチ。
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