The charging sphere and column are mounted on a heavy cast-metal base along with a discharge sphere with a movable arm.

此蓄垫球及盒装置在一很重的金属基座上，并有一可移动的放电球。

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The third arm (17) is provided with an electrode pin (22) and a wiring (23) for detecting discharge current between the third arm (17) and the door (3).

在第三臂(17)上设有电极销(22)和配线(23)，以检测第三臂(17)与车门(3)之间的放电电流。

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To realize artesian discharge, there must be a certain height of liquid level, or an adequate level difference between the liquid stored and the outlet of unloading arm.

要实现自流付油，油品就必须有一定的液面高度，也就是要求储存油品液面与发油鹤管出口具有足够的高度差。

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