It shall be of robust and rigid construction.

隔火帐之构造必须坚固。

youdao

The span, or distance, between supports of a Single Floor should not exceed 5 metres in order to maintain a rigid construction.

单层楼面的支座之间的距离，即跨度，不应超过5米，以便保证结构的刚度。

youdao

Our overarching idea of the project was to create a rigid construction that would stand out and form a contrast to the wildness of the Lista nature.

该项目的最突出的设计理念就是创造一个引人注目的刚性结构，和利斯塔自然环境的荒凉形成一个强烈的对比。

youdao

Why would anyone pay probably twice the asking price of the PS3 for additional features that appear to begin and end with "rigid beam construction"?

ENGADGET: Why would anyone buy a Blu-ray player (other than the PS3)?

The open-cage printer will work using "fused filament fabrication" with 1.75mm filament, and will also feature 100 micron layer resolution (0.1 millimeter), rigid aluminum construction, an open-source software tool chain and optional heated build platform.

ENGADGET

Construction Workplace Misclassification Act establishes rigid criteria for differentiating independent contractors from employees in the construction industry.

FORBES: Criminal Penalties For Misclassifying Independent Contractors?