如果气隙太小，当触点开路时就会形成电弧，并且电流继续流通。

If the gap is too small, an arc may develop when the contacts open and current continues to flow.

youdao

如果气隙太小，当触点开路时就会形成电弧，并且电流继续流通。

If the gap is too small, an arc may develop when the contacts open and current continues to flow.

youdao