box beam

常见例句

The box beam was one of the most important stress parts of the crane which required high quality butt weld.
箱形梁是集装箱吊具的重要受力部件，对焊接质量要求高。
Based on fracture mechanics and theory of reliability, this paper offers the reliability calculation method for welded box beam having fracture.
根据断裂力学及可靠性理论，提出了一种起重机焊接箱形梁存在裂纹缺陷的可靠度计算方法。
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Sootblowers shall have steel box beam construction to enclose the drive mechanism, motor, lance and other moving or hot parts for complete personnel protection and safety.
为了能对人员完全起到保护和安全作用，吹灰器应有钢制箱梁结构来密封驱动机构、电机、吹灰枪和其它活动或较热部件。
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He told me of a box on his route that has a steel I-beam for a post and, riding astride it, a regular mailbox set inside a much bigger metal box, the space between the two filled entirely with concrete.
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