电工英语词汇及电工基础（6）

homestay

"No Hex Key?:"
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& e0 f) O) b5 I; z; S( r  j- I/ b" S% N1/2 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