principal beam
英
美
- 主梁
双语例句
- It's possible that the beam may break if the loads outweigh its supports.
如果负荷过重,主梁的断裂是有可能发生的。 - It is provided with a telescopic bracket.The box beam at the external side of the telescopic part of the bracket is inserted into the square hole in the main beam.
其中,拖架具有可伸缩功能,是通过可伸缩部分外侧的箱形梁插入货台主梁的方孔中,选择箱形梁上孔的位置来实现的。
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