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
by type check nut by型防松螺母
piston push rod check nut 活塞推杆防松螺母
pre ure screw check nut 压力螺钉防松螺母
Check nut 检验仪表 ; 锁紧螺母
Nut loose check 螺母防松
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。
Check the bolt and nut and filling press cover, it it become flexible during the transport or store, screw down it.
内腔进行去湿处理并检查各连接部位的螺栓、螺母和填料压盖等是否在运输和存放过程中产生松动，如发现应均匀拧紧。
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