bias-rail box girder [机] 偏轨箱形梁
local bias-rail box girder [机] 半偏轨箱形梁
middle-rail box girder [机] 正轨箱形梁
full bias-rail box girder [机] 全偏轨箱形梁
light rail continuous box beam 轻轨连续箱梁
rail guide box 导轨隔舱
Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.
介绍了冶金起重机金属结构偏轨箱形模拟主梁的疲劳失效分析研究结果，提出疲劳失效的原因及改进措施。
There is a box fixed beneath the chalk rail of the blackboard.
黑板下方横木条底下设有一个盒子。
Box standards consistent with international experience, can be used as warehouse and shipping and rail transport and so on!
符合国际验箱标准，可用作仓库和海运及铁路运输等等！
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