进口新型的机车车辆，在正式签订供货合同前，应当取得型号认可证。

Whoever intends to import a new-type locomotive shall, before formally concluding the supply contract, obtain the type accreditation certificate.

youdao

进口新型的机车车辆，在正式签订供货合同前，应当取得型号认可证。

Whoever intends to import a new-type locomotive shall, before formally concluding the supply contract, obtain the type accreditation certificate.

youdao