1475.Correct punctuation is important because it shows how the different parts of the text are related and prevents ambiguity.

A. Release the hydraulic pressure in the accumulator.

B. Release the power pressure in the accumulator.

C. Release the hydraulic pressure in the actuator.

A. This format may be used in integraor in part.

B. This format may be used in its entirety or in part.

C. This format may be used in its tacticallity or in part.

A. 确保撑杆轮与滑道上的凸槽对齐。

B. 确保转向架滚轮与轨道上的凹槽对齐。

C. 确保支架凸轮与滑轨上的滑块对齐。

A. 扰流板的作用是使机翼上的阻力增加,升力减少,从而扰乱流经该机翼上表面的平滑气流。

B. 扰流板的作用是扰乱流经机翼上表面的平顺气流,从而使此机翼上的阻力增加,升力减少。

C. 扰流板的作用是增加机翼上的阻力,造成升力减少,进一步干扰流经该机翼上表面的光滑气流。

D. C.扰流板的作用是增加机翼上的阻力,造成升力减少,进一步干扰流经该机翼上表面的光

E. C.扰流板的作用是增加机翼上的阻力,造成升力减少,进一步干扰流经该机翼上表面的光滑气流。

A. The counted time resets to 0 when the button is kept down for two seconds.

B. The total time resets to 0 when the button is held on for two seconds.

C. The remained time resets to 0 when the button is seen down for two seconds.

A. 小心地展开薄板。

B. 小心地合上铝片。

C. 小心地打开钢片。

A. 检查开口是否从边角开始出现裂纹。

B. 检查角落位置是否出现开口裂纹。

C. 在拐角处开始检查开口是否有裂纹。

A. Solenoid switches shall indicate whether the valve is solenoid-loaded to the open or closed positon.

B. Electromagnetic valves shall include a marking indicating whether the valve is coil-loaded to the open or closed positon.

C. Solenoid valves shall include a notation indicating whether the valve is spring-loaded to the open or closed positon.

A. The paper must include a three-looking picture of the unit.

B. The report must inclue a three- view drawing of the unit.

C. The diagram must include a three-side drawing of the unit.

A. When installing the antenna,the arrows must be alignedand point forward.

B. When installing the radome,you must keep the arrow pointing forward.

C. When you install the antenna,the alignment arrow must point forward.