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.
箱形梁是集裝箱吊具的重要受力部件，對銲接質量要求高。
Based on fracture mechanics and theory of reliability, this paper offers the reliability calculation method for welded box beam having fracture.
根據斷裂力學及可靠性理論，提出了一種起重機銲接箱形梁存在裂紋缺陷的可靠度計算方法。
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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.
爲了能對人員完全起到保護和安全作用，吹灰器應有鋼制箱梁結搆來密封敺動機搆、電機、吹灰槍和其它活動或較熱部件。
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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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