A、 排气系统指将发动机废气导出机外的装置和组件。
B、 噪声抑制装置是指系统中降低排气噪声的部分。
C、 排气系统指将发动机废气导出机外的装置和组件。
答案：B
A、 排气系统指将发动机废气导出机外的装置和组件。
B、 噪声抑制装置是指系统中降低排气噪声的部分。
C、 排气系统指将发动机废气导出机外的装置和组件。
答案：B
A. Be careful not to get acid on your skin.
B. Prohibit not to get acid on your skin.
C. Be careful not to get alcohol on your skin.
A. The positive pressure relief valves are fail safe devices. If the aft outflow valve cann’t be closed, these positive pressure relief valves bleed fuselage pressure overboard.
B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.
C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.
A. Solvents can avoid damage to paint.
B. Solvents can cause damage to paint.
C. Solution can cause damage to paint.
A. Make sure the cabin pressure relief valve is open.
B. Make sure the cabin pressure outflow valve is open.
C. Make sure the cabin pressure bypass valve is open.
A. 所有发动机的燃油和控制部件都在发动机上。
B. 所有控制发动机和燃油的部件都在发动机上。
C. 所有发动机的滑油控制部件都在发动机上。
A. The condition of the radome is very important for its performance.
B. The condition of the antenna influences its properties greatly.
C. The condition of the radar has an important effect on its characteristics.
A. A warning is an operating procedure, inspection, repair or maintenance practice, which if not correctly followed, could result in personal injury, or loss of life.
B. The warning information that contains operational check, inspection, repair or maintenance tasks shall be properly followed, or injury to persons or loss of life can be caused.
C. Warning information contains operating procedure, inspection, repair or maintenance practice that will cause injury to persons or loss of life.
A. 当批准的术语中没有技术名称时，选择一个简短易懂的名称。
B. 当被同意的名词中没有技术名称时，选择一个简短易懂的名称。
C. 当批准的短语中没有技术名称时，选择一个简短的词汇从而容易理解。
A. 操作调光开关，确保光线的强度发生变化。
B. 操作旋转式开关，确保灯光发生变化。
C. 已调节明暗开关，灯光的亮度发生了变化。
A. Obey the safety precautions when you do work with high voltages.
B. When working with high resistances, you should follow the safety precautions.
C. The safety precautions are optional in an environment with high voltages.
