"The fuselage is divided into three reference planes measured in inches,they are body station,body buttock line,body waterline." the avove sentence means “机身可以分成采用英寸测量的3个基准平面,它们是:机身站位,机身纵剖线,机身水线.”
A.1正确答案A
"The fuselage is divided into three reference planes measured in inches,they are body station,body buttock line,body waterline." the avove sentence means “机身可以分成采用英寸测量的3个基准平面,它们是:机身站位,机身纵剖线,机身水线.”
A.1正确答案A
