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单词 plunging battery
释义

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plunging battery
plunging battery n. Obsolete rare a form of battery in which the metal plates are plunged into the electrolyte when the battery is in use, and withdrawn when it is not.
ΚΠ
1875 E. H. Knight Amer. Mech. Dict. III. 1752/1 Plunging-battery,..a battery so arranged that the plates may be readily lowered into their cells, or raised therefrom when not required for use.
extracted from plungingn.
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