zhè / bǎ / hàn / qiāng / xū / yào / dìng / qī / jiǎn / chá / yǐ / miǎn / fā / shēng / gù / zhàng

这把焊枪需要定期检查，以免发生故障。

This welding torch needs to be inspected regularly to prevent malfunctions.