... 可变荷载 variable load 偶然荷载 accidental load 荷载代表值 representative values of a load ...
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accidental load coupling stress 偶然荷载
railway accidental load-transferring 铁路换装事故倒装费
load effect accidental combination 荷载效应偶然组合
Balance weight set free fall emergency braking device, which can realize auto control load loss protection, when the wellhead end accidental loss of load, balance weight free fall.
平衡重设置自由落体紧急制动装置，可实现井口端意外失载后平衡重自由落体坠落不能人控，却能自控失载保护的万无一失。
Abstract: During the service life of a bridge, it is impossible to avoid damage accumulation and function degeneration due to traffic load, environmental corrosion and accidental punch.
摘要桥梁结构在其服役过程中，由于荷载作用和各种环境不利因素的影响，结构不可避免的会产生累积损伤和功能退化，如不及时采取措施，甚至会导致突发事故。
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