311.在断开组件之前,先将系统进行排气。

　Deflate the system before you disconnect the components.

　Bleed the system before you disconnect the components.

　Bleed the system before you interrupt the components.

正确答案：B

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460.If it is possible that the temperature values will be more than the
permitted limits, decrease the power.

459.These safety precautions are the minimum necessary for work in the
maintenance area.

458.IF THE SCRATCH DOES NOT( ) THE PROTECTIVE LAYER, THE UNIT IS
SERVICEABLE.

457.( ) THE FUEL TANKS.

456.Use 14-point uppercase bold for the word WARNING and 10-point
uppercase bold for the WARNING TEXT.

455.机动速度是全行程操纵产生的气动载荷不会使飞机过度受力的最大速度。

454.Vertical lists make long complex sentences much easier to read and
understand.

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

452.THE TWO STOP BOLTS ARE ADJUSTABLE.

451.To give or send signals that adjust, operate, or keep something to
a limit,or that cause something to operate.