A、 The manufacturer shall prepare all text in either one or two columns with justification at his own discretion , but, two columns are preferable for readability.
B、 Manufacturers shall prepare all text both in one and two columns separately; however, two columns are better for reading.
C、 According to the manufacturer＇ explanations, all text shall be prepared in one or two columns; however, two columns have better visual effect.
答案：A
A、 The manufacturer shall prepare all text in either one or two columns with justification at his own discretion , but, two columns are preferable for readability.
B、 Manufacturers shall prepare all text both in one and two columns separately; however, two columns are better for reading.
C、 According to the manufacturer＇ explanations, all text shall be prepared in one or two columns; however, two columns have better visual effect.
答案：A
A. 组件延伸至壳体，安装并连接在通信控制组件上。
B. 组件延伸至壳体组件，并与伸缩控制组件相连。
C. 组件延伸至壳体组件，并与通讯控制组件相连。
A. 确保密封剂被完全挤出接触面边缘。
B. 确保沿接触面边缘持续涂抹封严胶。
C. 确保封严胶沿接触面边缘不断挤出。
A. The engine power control system manages and controls the main fuel control or synchronizer, which is inclusive of controls to the propeller modulator on a turboprop engine.
B. The engine power control system furnishes a means of controlling the main fuel control or coordinator, which includes controls to the propeller regulator on turbo-prop engines.
C. The engine power control system regulates and controls the main oil, coordinator and propeller regulator of a turboprop engine.
A. 防腐可能有很多原因。
B. 腐蚀可能有很多原因。
C. 腐蚀可能有很多防腐措施。
A. 如果一个代词能参考文本中的一个或多个名词，它会使句子产生异义。如果一个句子产生异义，参考原词更换代词。这将使读者更清楚易读。
B. 如果一个代词能指代文本中的一个或多个名词，它会使句子模棱两可。如果一个句子模棱两可，用它所指的词代替代词。这将使句子更清楚易读。
C. 如果一个代词能引申文本中的一个或多个名词，它会使句子晦涩难懂。如果遇到这样的情况，更换所引申的代词。这将使句子更清楚易读。
A. 每一个点处的宽度和深度值不能小于30。
B. 每一个点处的宽深值不能大于30。
C. 每一个点处的宽深比不少于30。
A. 双面打印除线路图和折页外的所有页。
B. 双面打印除线路图外的的所有折页。
C. 除了折叠的线路图外，双面打印所有页面。
A. 径向施加载荷。
B. 轴向施加载荷。
C. 周向释放载荷。
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. Air filter needs to be replaced on regular maintenance schedule, because it often causes low flow through the equipment cooling supply system. Quickly release the tabs on the air filter housing cover to reach the filters.
B. Low flow through the equipment cooling supply system is caused by a contaminated air filter, therefore regular replacement is necessary, release the quick release tabs on the air filter housing cover to approach to the filters.
C. A blocked air filter which causes low flow through the equipment cooling supply system needs replacement on a regular maintenance schedule. Release the quick release tabs on the air filter housing cover to reach the filters.
