A、 Spread a thin layer of sealing compound with a brush on the surface of the bare metal.
B、 Spray a thin layer of sealing compound on the metal sheet.
C、 Apply a thin layer of sealant on the bare metal.
答案：C
A、 Spread a thin layer of sealing compound with a brush on the surface of the bare metal.
B、 Spray a thin layer of sealing compound on the metal sheet.
C、 Apply a thin layer of sealant on the bare metal.
答案：C
A. 给连接在上述部件的锁控装置喷上防腐蚀剂。
B. 给连接在上述部件的锁控装置喷上防锈剂。
C. 给连接在上述部件的锁控装置喷上润滑剂。
A. 在快速齿轮上涂抹润滑脂。
B. 按照紧固件来申请润滑脂。
C. 给紧固件涂上油脂。
A. 它包括传感、计算、作动、指示和警告装置，例如计算机、伺服器、作动器、警告灯等。
B. 它包括感知、计算、激活、指示和警告装置，例如计算机、伺服机构、激活器、警告灯等。
C. 它包括感知、处理、启动、指示和告诫装置，例如处理器、作动机构、起动机、告诫灯等。
A. Please do not make the USB power adapter wet with your hands.
B. When the USB power adapter is wet, please do not touch it.
C. If your hands are wet, do not touch the USB power adapter.
A. 确保两个活塞伸出长度相等。
B. 确保两个作动筒同时伸出。
C. 确保同时放出两个活塞。
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. Remove the 3 screws from the flap of the motor assembly.
B. Remove the 3 nuts from the flange of the motor assembly.
C. Remove the 3 screws from the flange of the motor assembly.
A. That section of the systems which controls the position and rotation of the trailing edge flaps.
B. That portion of the systems which controls the position and movement of the trailing edge flaps.
C. That part of the systems which controls the position and rotation of the flaps.
A. You can adjust the volume control.
B. You can adjust the value control.
C. You can override the voice control.
A. 通常，希望下面的章排列好，所有手册中的故障被统一推断出并最大范围实施。
B. 一般而言，要求在手册适用的最大程度统一地遵循以下章的布局和划分。
C. 总的来说，所有手册中随后的章的安排和分类应该遵循一致性和最大可行性。
