Mind you don 't knock your head (on this low beam).
小心，别(让这根低梁)撞着头。
In textile plant, double T-beam has been gradually applied.
在新型纺织厂房内，双T板逐步得到应用。
The main structure of the steel bridge consists of a single-web, continuous T-beam.
这座钢桥的主要结构由一个单腹板和连续t梁构成。
The main structure of the steel bridge consists of a single-web, continuous T-beam.
这座钢桥的主要结构由一个单腹板和连续t梁构成。
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