over crossing meaning in Chinese

跨线桥

Reversed polarity protection and instantaneous over current and over cross - voltage protection , is in accordance with emi protection requirement
反极性保护和瞬间过电流过跨压保护，符合emi防护要求。
Pedestrians and vehicles must , when passing a railway level crossing or a pedestrian cross - walk , observe the relevant regulations governing passage over crossings
行人和车辆通过铁路平交道口和人行过道时，必须遵守有关通行的规定。
To strengthen the control over cross - boundary waste dumping , the soa and the hksarg will step up cooperation as well as exchange timely information on such operations so as to crack down on any illegal marine dumping activities
为了加强对废弃物跨区倾倒作业的监管，国家海洋局和特区政府亦会加强合作，不时相互通报涉及跨区倾倒的资料，合力打击海上非法倾倒活动。