The vacuum equipment removes the air from the compound.

A. 如果其他地方提供了信息，则改版记录是可选的。

B. 如果其他地方提供了信息，则改版记录是必选的。

C. 如果其他地方提供了信息，则改版记录是过期的。

A. 为卫生间和厨房提供冷气。

B. 为卫生间和厨房提供暖气。

C. 为卫生间和厨房提供通风。

A. The troubleshooting section includes Description and Operations.

B. Contents of Troubleshooting section should be prepared under "Description" and "Operations".

C. Material of Description and Operation is the critical contents to troubleshooting section.

A. The test will stop when the pressure is larger than 7000 kpa.

B. Stop the test if the pressure reaches 7000 pa.

C. Stop the test when the pressure is more than 7000 kpa.

A. 曲线半径必须至少为8mm。

B. 圆的直径必须最小为8mm。

C. 曲线的直径必须最大为8mm。

A. 结果是，孔的直径达到了允许的最大值。

B. 结果是，允许孔的尺寸超出最大范围。

C. 结果是，孔的尺寸大于允许的最大尺寸。

A. In procedural sentences, you can use a maximum of 20 words before the comma.

B. In procedural sentences, you can use a maximum of 20 words before the colon.

C. In procedural sentences, you can use at least 20 words before the full stop.

A. Overhaul of any components covered in this chapter shall be completed in accordance with data other than those provided by the manufacturer.

B. None of the components covered by this chapter shall be overhauled except in accordance with the manufacturer＇s data.

C. All components covered in this chapter must be overhauled according to the technical data provided by the manufacturer.

A. 问题的原因来自于燃油系统。

B. 问题的根源在燃油系统。

C. 故障的位置在液压油系统。

A. 在描述飞机行李舱时，应提供警告不要在飞机上任何地方携带危险品。

B. 在描述飞机行李舱时，警告不要在飞机上任何地方携带爆炸物。

C. 在描述飞机行李舱时，警告不要从飞机上任何地方带走危险品。