grounding screw 中文意思是什麼
grounding screw
解釋
接地螺釘-
Ground the water heater by connecting a grounding wire from the electrical service ground terminal to the green grounding screw in the junction box of the water heater
通過將電氣部件上的接地端子連接到熱水器接線盒裡綠色接地螺絲上,實現熱水器的接地。 -
Use only two screws for now. the screw closest to the arm will be installed when the arm cable grounding is accomplished
先用兩個螺絲。最靠近唱臂的那個螺絲要等到唱臂線安裝后才裝。
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