784、设备清单应包含所有必须的或可选的设备 were
答案解析
解析：
相关知识点：
设备清单含必选设备
相关题目
704、Extend and retract the actuator through three full cycles. 伸展和缩回执行机构通过三个完整的周期
703 English is not often the native language of the readers of technical documentation 英语通常不是技术文档读者的母语
702、Do not make a recess of more than 5mm for the studs.
701、 Do a continuity check at the Alternate Exhaust Fan Receptacle.
700、Descriptive Data shall be supplied for standard and optional engine and propeller installations and fueland oil systems
699、 CORROSION INHIBITING COMPOUND MAY BE PRESENT IN CORROSION SUSCEPTIBLE LOCATIONS
698、Corrosion can have a lot of causes.
697、 Complex sentence structure and the large number of meanings and synonyms that many Englishwords have can cause confusion 复杂的句子结构以及许多英语单词的大量含义和同义词会造成混淆
696、 Calculate the thickness of the shim as follows： t= x-y. 计算垫片厚度：t= x-y
695、 Be careful when you move jet pipes or exhaust cones that have insulating blankets. 当你移动有绝缘毯子的喷射管或排气锥时要小心。
