A、 Grind the surface with a soft cloth after it becomes light.
B、 Rub the surface with a soft cloth when it becomes brightness.
C、 Polish the surface with a soft cloth until it becomes shiny.
答案:C
A、 Grind the surface with a soft cloth after it becomes light.
B、 Rub the surface with a soft cloth when it becomes brightness.
C、 Polish the surface with a soft cloth until it becomes shiny.
答案:C
A. Ensure that the parts bond correctly by applying pressure on the base of the patch.
B. Apply weight to the patch surface to ensure a correct bond between the parts.
C. Do not put pressure on the surface of the patch, as it is unnecessary for proper bonding.
A. An alphanumeric identifier is an assembly of characters and numbers. It can recognize something.
B. An symbolic-numeric identifier is an assembly of symbols and numbers. It can identifies something.
C. An alphanumeric identifier is a combination of letters and numbers that identifies something.
A. 描述飞机液压系统时,应描述主系统和辅助系统。
B. 描述飞机液压系统时,应描述主要系统和帮助系统。
C. 描述飞机液压系统时,应描述主要的辅助系统。
A. The System/Chapter, sub-System/Section and Subject Number, the page number and date of issue will disappear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.
B. The System/Chapter, sub-System/Section and Subject Number, the page number and date of issue will appear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.
C. The System/Chapter, sub-System/Section and Subject Number, the page number and date of public will appear in the lower left-hand corner, on the left-hand pages and the revision date in the lower right-hand corner.
A. If this step can not stop the leakage, remove the actuator.
B. If this step is not enough to stop the leakage, change the motor.
C. If this step is not sufficient to stop the leakage, replace the actuator.
A. 在工作区入口处设置安全屏障。
B. 在工作区域放置安全电源。
C. 放置安全屏障在入口通道的位置。
A. 把上凸轮放到与拆下时所做标记一致的位置。
B. 上部卡箍安装的位置应该与拆卸标记保持一致。
C. 经同意后,对应拆卸时所作的标记将上部曲柄安装在位。
A. 英语单词、复杂的句子结构以及多个含义和缩写词会对读者造成混淆。
B. 复杂的句子结构、多个含义和术语以及多个英语单词会对读者造成混淆。
C. 复杂的句子结构以及英语单词的多重含义和同义词会对读者造成混淆。
A. 自动驾驶仪使用无线电波、垂直陀螺仪、皮托静压系统以及手动输入来自动控制飞机的偏航、俯仰和滚转。
B. 自动驾驶仪使用无线电波、垂直加速度计、皮托静压系统以及手动输入来自动控制飞机的偏航、俯仰和滚转。
C. 自动驾驶仪使用无线电波、垂直加速度计、皮托管以及手动输入来自动控制飞机的偏航、俯仰和滚转。
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.