rú / guǒ / zhóu / wǎ / rùn / huá / bù / zú / jī / qì / yùn / xíng / shí / jiù / kě / néng / fā / chū / yì / cháng / xiǎng / shēng

如果轴瓦润滑不足，机器运行时就可能发出异常响声。

If the bearing shell is not sufficiently lubricated, the machine may make unusual noises while running.