hexagon check nut 六角防松螺母
pressure screw check nut 压力螺钉防松螺母
hexagonal check nut 六角防松螺母
hydraulic check nut 水力防松螺帽
piston push rod check nut 活塞推杆防松螺母
by type check nut by型防松螺母
pre ure screw check nut 压力螺钉防松螺母
regulator check nut 调节器防松螺母
hexagon n check nut 六角防松螺母
The accident was due to the action of acid o the check nut.
事故是由于酸对防松螺母的作用而发生的。
Make sure check the bolt and nut before testing run. and if they become less crowded, fastening again.
试车前务必检查所有螺栓、螺母是否有松动，若有松动的螺栓、螺母必须重新紧固。
Maintenance should first check the tire pressure, wear, nut loose or fall off, remove the twins or tread on the inserts and nails and other sharp objects.
养护时首先应查看轮胎气压、磨损状况，螺母有无松动或掉落，除去双胎间或胎面上的嵌入物及铁钉等尖利杂物。
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