... steel wire screw socket 钢丝螺套 Ground wire screw 地线螺丝 wire adjusting screw 导线调整螺丝 ...
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Earth the ground wire (yellow-green wire) of the machine or earth it by the screw of the shell.
将本机电源线之地线接地（黄绿色线）或从机壳螺丝钉接地。
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.
通过将电气部件上的接地端子连接到热水器接线盒里绿色接地螺丝上，实现热水器的接地。
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