| 摘要 |
<p>First through third relays (K1-K3) are connected in series, and a load (4) does not operate unless all are in the ON state. This enables the prevention of failures such as spilling of fuel due to a malfunction of the load, even when there is a fault in any of the first through third relays img id="iaf01" file="imgaf001.tif" wi="175" he="119" img-content="drawing" img-format="tif"/></p> |
