打开单向活门。 - 考试宝

单选题打开单向活门。

A、 Open the isolating valves.

B、 Open the check valves.

C、 Open the bypass valves.

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相关试题

单选题泵安装在液压马达后面。

A、The gearbox is installed behind the pneumatic motor.

B、The pump is installed behind the hydraulic motor.

C、The pump is installed behind the pneumatic turbine.

单选题应包括专用工具、设备和材料。

A、Shall include dedicated tools, items and materials.

B、Common tools, equipment and materials shall include.

C、Special tools, equipment and materials shall be included.

单选题使用孔探仪从内部检查燃烧室。

A、Use a hole instrument to examine the turbine internally.

B、Use a borescope to examine the combustor internally.

C、Use a hole instrument to examine the combustor externally.

单选题测量内外侧襟翼的运动。

A、Measure the movement of the inboard and outboard flaps.

B、Measure the movement of the onboard and outboard slats.

C、Operate the movement of the inboard and outboard ailerons.

单选题燃油和氧气的混合物会引起爆炸。

A、A mixture of fuel and oxygen can cause an explosion.

B、A mixture of fuel and nitrogen can cause an burn.

C、A mixture of gas and oxygen should cause an explosion.

单选题燃油渗漏会降低发动机性能。

A、Fuel leaks can decrease engine performance.

B、Oil leaks can increase engine performance.

C、Fluid leaks can decrease engine efficiency.

单选题用手摇泵将系统加压到150巴。

A、Depressurize the system to 150 bar with the handle pump.

B、Pressure the system to 150 bar with the hand actuator.

C、Pressurize the system to 150 bar with the hand pump.

单选题每一节从右边页面开始。

A、Finish each chapter on a right-hand page.

B、Start each section on a right-hand page.

C、Start each section on a left-hand page.