A. This section of the Pilot＇s Operating Handbook shall contain only those limitations required by regulation or necessary for safe operation of the airplane and approved by the regulatory authority.

B. This section of the Pilot＇s Operating Handbook shall include only those restrictions required by the regulations and those restrictions issued by the regulatory authority to ensure the safe operation of the airplane.

C. This section of the Pilot＇s Operating Handbook shall contain the regulatory requirements approved by the authorities and publish the necessary restrictions only for the safe operation of the airplane.

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打开单向活门。

A. Open the isolating valves.

B. Open the check valves.

C. Open the bypass valves.

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Repeat application of clean solvent as necessary to remove oils.

A. Use the clean solvent again to leave the oils on the surface.

B. If necessary, clean the oils by applying clean solution.

C. Remove the oils, if necessary, by applying clean solvent again.

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从海平面到温度为-56.5摄氏度的海拔高度之间的温度变化率为每英尺-0.00198摄氏度。在该高度之上温度变化率为零。

A. The temperature decreases - 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and zero above that altitude.

B. The temperature gradient from sea level to the altitude at which the temperature is -56.5°C is - 0.00198°C per foot and zero above that altitude.

C. The temperature drops 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and to zero above that altitude.

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CORROSION INHIBITING COMPOUND MAY BE PRESENT IN CORROSION SUSCEPTIBLE LOCATIONS.

A. 防腐剂可能存在于腐蚀严重的部位。

B. 腐蚀敏感的部位可以安装防腐组件。

C. 易受腐蚀的部位可能有防腐剂。

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The dictionary includes some unapproved words that can be technical names if you can put them in the applicable technical name category.

A. 字典中包括一些未经更新的单词，如果您可以将它们放入应用的技术名称类别中，它们可以是技术名称。

B. 字典中包括一些未经批准的单词，如果您可以将它们放入适用的技术名称类别中，它们可以是技术名称。

C. 字典中包括一些未经批准的单词，包括技术名称，如果您可以将它们放入适用的技术名称类别中则属于此类词汇。

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如果固态样品中有金属屑，则更换泵。

A. If there are metal fragments in the liquid sample, replace the pump.

B. If there are only small metal particles in the solid sample, replace the pump.

C. If there are metal particles in the sample solids, replace the pump.

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一个液压马达驱动这个泵。

A. A hydraulic pump operates the motor.

B. A fuel pump operates the motor.

C. A hydraulic motor operates the pump.

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The thrust of the propeller directed opposite the usual direction, thereby producing a braking action.

A. 螺旋桨的拉力与它的常规方向相反，造成了制动效果。

B. 螺旋桨的旋转朝向相反方向，导致完全停车。

C. 螺旋桨的推力指向与飞行方向相反，产生制动作用。

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卡箍应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不夹住导线。

A. Clamps should be spaced at intervals not exceeding 24 inches. Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

B. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without pinching wires.

C. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without scratching wires.

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