Because airplanes are intended to have long lives, their flight safety must be assured.
选项:
A:In order to make airplanes have long lives, they are often in good condition.
B:To make airplanes have long lives, it is necessary to make sure their fight safety.
C:Because the long lives of airplanes are required, make sure the mechanics do the maintenance task correctly.
发布时间:2024-06-04 16:03:51