电工英语词汇及电工基础（6）

homestay

"No Hex Key?:"
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4 E% c9 P+ t% E+ i1 H" o: L3 I1/2 3/8 1/4 inch rod couplings can be used in a pinch if you need a hex key or allen wrench. insert rod coupling into hex opening in lug set screw and turn with wrench.

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bobo

amiable