General conditions under which aerodromes and associated facilities are available for use .

机场及相关设施使用的一般条件。

According to the relevant provisions of the basic rules on aviation , the aerodromes that are exclusively used for the taking-off and landing of civil aircrafts or foreign aircrafts may use the amended sea-level pressure of the aerodrome .

根据飞行基本规则的有关规定，仅供民用航空器起降的机场和供外国航空器起降的机场，可以使用机场修正海平面气压值。