契约规定的航线

【法】 contractual route

契约的英语翻译：

bargaining; bond; contract; covenant; deed; indent; indenture; obligation
pact; stipulation
【经】 agreement; agreements; bargain; compact; contract; deed; indenture
instrument; title deed

规定的英语翻译：

rule; prescript; fix; formulate; ordain; provide; provision; regulate
【经】 duration of prescription; rule; state; stipulate; stipulation

航线的英语翻译：

course; flight course; line; route; sea route; skyway
【经】 passage; route; shipping route