人工子午线是民用飞机适航性标准中磁影响试验的设备。

Artificial meridian is a test apparatus for magnetic effects in airworthiness standards of civil planes.

youdao

人工子午线是民用飞机适航性标准中磁影响试验的设备。

Artificial meridian is a test apparatus for magnetic effects in airworthiness standards of civil planes.

youdao