此时，工作台的感应片，不能对着接近开关。
At this time, the sensor, cannot worktable to close the switch.
同时提出正确使用接近开关应注意的几个问题。
Several issues attentive to correct operation of approach switch are addressed.
接近开关接线异常；
输入方式：触点开关，接近开关，霍尔开关，光电开关。
Input Mode: contact switch, proximity switch, Hall switch and photoelectric switch.
Mead指的是，当事物接近于零的时候，人们的心理开关将发生翻转。
What Mead understood is that a psychological switch should flip as things head toward zero.
开关，接近，杀死任何申请或关闭，所有在一点击。
Switch to, Close, Kill any application or Close them all in one click.
电灯的开关在接近门口的墙上。
电灯的开关在接近门口的墙上。
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