(英英释义) In aviation(在航空领域), it is mandatory(必须) to correctly understand maintenance and operation documentation to make sure that systems operate safely and correctly and to protect human lives.
在航空中,必须正确地理解维护和操作文件,以确保系统安全和正确地运行,并保护人的生命。
A.In aviation, users must correctly understand maintenance and operation documentation in order to ensure systems operate safely and correctly and to protect human lives. B.In aviation, it is possible to correctly understand maintenance and operation documentation to make sure that systems operate safely and correctly and to protect human lives. C.In aviation, it is a must to correctly understand maintenance and operation material (材料·)to make sure that systems operate with troubles and correctly and to protect human lives.正确答案A