If an adapter extension plug is used, care must be taken to ensure that the terminals on the adapter plug are in the correct position for the particular application.
如果使用了附加的延长插头，须注意保证附加插头上的接线端在正确位置，以备特殊用处。
If an adapter extension plug is used, care must be taken to ensure that the terminals on the adapter plug are in the correct position for the particular application.
如果使用了附加的延长插头，须注意保证附加插头上的接线端在正确位置，以备特殊用处。
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