- boundary frame on crossing
- 道口: road junction; level crossin ...
- 架: frame; rack; shelf; stand
- 限界架: clearance gate; loading gage
- 道路限界架: boundary frame on road
- 道口: (铁路与道路的平面交叉) road junction; level crossing (亦称“平交道”) 道口事故 level crossing accident
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