









loose connection
poor contact
Check whether the cathode poor contact, timely adjust.
The touch points are not firmly connected due to long time usage of relay.

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Open the tool →接触不良 (jiē chù bù liáng) means “loose connection, poor contact”.
接触不良 is pronounced jiē chù bù liáng in Mandarin Chinese.
“loose connection” is 接触不良 (jiē chù bù liáng) in Chinese.
This page has 2 example sentences using 接触不良, each with pinyin and an English translation.