506.设备清单应包含所有必需的或可选的设备。

　The equipment lit shall contain all equired or optional equipment.

　All required equipment and facilities should be included in this list.

　Only optional equipment is described in this equipment list.

正确答案：A

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266.If the pressure supply stops, cancel the test.

265.如果风速高得危险,请不要打开货舱门。

264.如果套筒连接不正确,则需进行调整。

263.That continues to be the same, without change.

262.Except for fold out pages and start of chapters,all pages shall be
printed on both sides.

261.The manufacturer may establish procedures to provide feedback ( ) on
unairworthy conditions ( ) that
were discovered when complying.

260.Make sure that the arrow points in the direction of the fuel flow.

259.为了使固化过程更快,给化合物加热。

258. 2 毫米的值是可以接受的。

257.Documents must be readily revisable