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

　确保箭头指向燃油流量流动的方向。

　确保标记指向燃油流量流动的方向。

　确保标记指向燃油流量相反的方向。

正确答案：A

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512.An important occurrence that can cause damage or have dangerous
results.

511.Put the blanking caps on the open ends of the telescopic duct and
the slat duct.

510.The loading conditions together with the resulting margins of safety
were evaluated.

509.The effects of corrosion have not been considered in the rationale
in selecting inspection times or in the effects on the fatigue stresses.

508.Use this alternative procedure if during the test the flow indicator
does not reach the predetermined position.

507.CONTAIN

506.设备清单应包含所有必需的或可选的设备。

505.Make sure that the clearance is in the limits.

504.IF THE SYMPTOMS ( ) AGAIN, DO A SYSTEM TEST.

503.Existing analyses were reviewed to identify components and areas that
may have exhibited lower margins of safety.