Check the position of the rear and front magnetic reed switches on the cylinder.
检查气缸上前后磁簧开关的位置。
Circuit board, battery, and switches installed on the front panel.
电路板，电池，开关安装于前面板。
On the front of the cabinet are on-off switches for sample-feed pump.
在箱子的正面有试样进料泵的电源开关。
On the front of the cabinet are on-off switches for sample-feed pump.
在箱子的正面有试样进料泵的电源开关。
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