From professional translators, enterprises, web pages and freely available translation repositories.
international standards restrict having landfills within 3.5 kilometres of a runway threshold used by turbojet aircraft, or 1.7 kilometres from the runway threshold of piston-type aircraft.
按照国际标准,禁止在距离涡轮喷气式飞机跑道3.5公里内或活塞发动机飞机跑道1.7公里内设垃圾填埋场。
11.9 in a statement made in january 2013 to the commission, adrian begg, then an assistant inspector in the northern rhodesia police, on duty at the airport, recounted seeing a large piston-engined aircraft overfly the airport towards midnight on what appeared to be a normal landing approach, but not return.
11.9 2013年1月,空难发生时在机场执勤的北罗得西亚警察署助理督察adrian beggz说,他记得在近午夜时分看到一架大型活塞发动机飞机在机场上空飞行,看似正常的准备着陆状态,但它没有飞回着陆航道。