Accordingtothelatestreleaseofdomesticmachineryindustryresearchreport,onMarch11,astrongearthquakeinJa..

A,gantrycranebeforework1,ofthecranebrake,hook,ropeandsafetydevicepartsinspection,accordingtotherequi..

Inrecentyears,naturaldisastersoccurredfrequentlyinourcountry.Snowstorms,earthquakes,landslides,flood..