英语词汇“contact arm”造句的方法、技巧、例句及翻译-英语例句辞典

In the dispatcher's master sender the clock-work mechanism operates a contact arm which shows on the face of the sender in Fig. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc.

Connect the first post of the variable condenser to the + or positive electrode of the A battery and its - or negative electrode with the rotating contact arm of the rheostat. The Radio Amateur's Hand Book

A movable contact arm that slides over and presses on the turns of wire is fixed to the knob on top of the rheostat. The Radio Amateur's Hand Book

单词	contact arm
例句	contact arm In the dispatcher's master sender the clock-work mechanism operates a contact arm which shows on the face of the sender in Fig. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. Connect the first post of the variable condenser to the + or positive electrode of the A battery and its - or negative electrode with the rotating contact arm of the rheostat. The Radio Amateur's Hand Book A movable contact arm that slides over and presses on the turns of wire is fixed to the knob on top of the rheostat. The Radio Amateur's Hand Book
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