A、 The oxide coating on the surface of aluminium alloy parts can be formed by physical means.
B、 The oxide coating on the surface of aluminium alloy parts acts the function of corrosion protection.
C、 The aluminium alloy can protect the oxide coating from corrosion.
答案：B
A、 The oxide coating on the surface of aluminium alloy parts can be formed by physical means.
B、 The oxide coating on the surface of aluminium alloy parts acts the function of corrosion protection.
C、 The aluminium alloy can protect the oxide coating from corrosion.
答案：B
A. The Handbook producer can choose the alternatives in addition to his limited choice or otherwise limited.
B. Apart from the situation that there are some restrictions in the choice or otherwise limitations for the Handbook producer, the producer can do his own decision.
C. Other than the event that the handbook producer has limitations in choice or otherwise things, he can decide without mind.
A. 力了给支持性软件产品的组织、公司和个人提供担保或认可,ASD、简化技术英语维护集团(STEMG)以及与STE生产相关的任何组织或公司将会提供培训或生产支持。
B. ASD、简化技术英语维护集团(STEMG)以及与STE生产相关的任何组织或公司均无意或暗示对提供培训或生产支持性软件产品的组织、公司和个人提供任何担保或认可。
C. 简化技术英语维护集团(STEMG)与生产相关的任何组织或公司均无意或暗示对提供培训或生产支持性软件产品的组织、公司和个人提供任何担保或认可,ASD除外
A. 使用良好的设备去做这项检查以及目视检查。
B. 使用正确的设备去做这项检查而不是目视检查。
C. 使用正常的设备去做这项检查而不是目视检查。
A. Loosen the screws that attach the clamp to the support;
B. Loosen the nuts that attach the clamp to the support;
C. Loosen the bolts that attach the clamp to the support;
A. 加入溶剂使油漆变得更稀薄
B. 加入溶剂使油漆变得更稳定
C. 在油漆里加入更多的溶剂
A. Do not exceed the speed limit while extending or retracting the Landing gears;
B. Do not extend or retract landing gear too fast;
C. Do not extend or retract landing gear above this speed;
A. A mixture of fuel and oxygen can cause an explosion.
B. A mixture of fuel and hydrogen can cause an explosion.
C. A mixture of fuel and nitrogen can cause an explosion.
A. The first, second level heads and captions should be exactly identical to the third level ones in size and/or style
B. The first level heads and captions should maintain consistent with the second and third level ones
C. The size and/or style of the first, second and third level heads and captions should be different and easily noticed
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.
A. If you do not obey this precaution injury to your skin and lungs can occur.
B. If will damage to your skin and liver unless you follow the cautions.
C. If you understand the instructions, your body will not be hurt.
