LimIt'switch, directly actuated, spring returned, normally closed. Switch can be specified as open or closed.
直接启动 、 弹簧复位 、 正常闭合的限制开关.可指定开关为断开或闭合.
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Thus, during sampling we have switch 61 open, switch 62 closed, switch 71 closedswitch 72 open.
因此, 在采样期间,我们使得开关61断开, 开关62闭合, 开关71闭合,开关72断开.
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