单选题 汉译英：轮廓不显现。

单选题 __________ pogo contacts are making contact. 旋转并确认弹簧触点接触。

单选题 选词填空：If the battery pack operated correctly during the retest, then put the airplane back to its ______ condition. 如果电池组在复测期间工作正常，请将飞机恢复到其______状态。

单选题 选词填空：Measure __________ between the lock assembly attach fitting on the stabilizer and the attach fitting located at STA 2268.25 frame.

单选题 If the gasket is __________, do the steps that __________ to replace the gasket.

单选题 选词填空：If it is __________, do this task. 假如有必要，请做这项任务。

单选题 选词填空：Do the __________ task for heavy levels of microbial contamination. 执行重度污染的后续任务。

单选题 选词填空：Choose the __________ pressures to which you will __________ the nose and the main landing gear tires.