我们所有的飞机都有适航证书。All our aircraft have certificates of airworthiness.适航审定主要包括型号合格审定和生产许可审定及其他工作.Airworthiness certification includes Type Certification and Production Certification , and other related work.经审查合格的,发给出口适航证书.A...
Our survey revealed that these allergies were mainly one-offs.我们的调查显示这些过敏多为一次性反应。Food allergies can result in an enormous variety of different symptoms.食物过敏会引发很多不同的症状。Lymphadenopathy as an adverse response to drugs and a...