词汇	bolt pretightening
释义	bolt pretightening 螺栓预紧力
随便看	reasons of development reasons of difficulties reasons of drainage reasons of electric bill unpaid reasons of eloping reasons of excluding reasons of existence reasons of failure reasons of immergence reasons of impunity Reasons of Issuing Convertible Bonds reasons of lag reasons of legislation Reasons of lodging reasons of poisoning Reasons of problems reasons of prosperity and decline reasons of reduction of output reasons of rejection reasons of resident deposit reasons of restriction reasons of security and confidentiality reasons of seeing a doctor reasons of State reasons of success