2102.To find the middle point,divide the measured clearance by two.

A. 快速升高温度。

B. 逐渐升高温度。

C. 瞬时升高温度。

A. 如果没有污染物,重新开始操作。

B. 如果那里无异物,重新开始操作。

C. 重新开始操作后,无污染物。

A. 确保轴承安装正确。

B. 确保部件安装正确。

C. 确保齿轮是正确的安装。

A. Dry all metal parts that have different metal inserts or deep blind holes in an oven at 225 to 275°F (107 to 135°C) for a minimum of one hour.

B. Put all different metal inserts or deep blind holes metal parts in an oven at 225 to 275°F (107 to 135°C) for a maximum of one hour.

C. All metal parts that have different metal inserts or deep blind holes are dry in an oven of 225 to 275°F (107 to 135°C) for a minimum of one hour.

A. Preset the control to get maximum thrust.

B. Set the control to get maximum thrust.

C. Reset the control to get the maximum force .

A. "拖动和滑行”中应包括所需的设备和参考资料如拖车、拖杆、钢索等

B. "拖动和滑行”中应包括所需的设备和器材,如拖车、拖杆、钢索等

C. "拖动和滑行”中应包括所需的设备和参靠资料如拖车、拖杆、电缆等

A. 金属材料会导致磁反应。

B. 金属物体会引起磁干扰。

C. 金属材料会引起磁效应。

A. In the correction column,list any notes or key points involved in correcting the trouble in the unit.

B. List any notes or key points involved in corrective actions for units faults during correction.

C. List all corrective actions,any notes or key points related to a unit failure when you do the Correction.

A. If the Halon extinguisher has its lever lock pin lost,you must scale the extinguisher to make sure if it is full.

B. If the hand lock pin on the Halon fire flask is not there,you must weight the extinguisher to see if it is full.

C. If the handle lock pin on the Halon extinguisher is not there,you must weigh the extinguisher to find if it is full.

A. 1944 年,随着空中航行法令和规章的各种要求得以实现,英国民用适航机构形成了适航标准的法典。

B. 1944 年,英国制定了民用适航要求来形成空中航行指令和规则守则。

C. 1944 年,随着英国民用适航要求的制定,形成了适航标准的法典,通过该法典,空中航行法令和规章的各种要求得以实现。

D. C.1944 年,随着英国民用适航要求的制定,形成了适航标准的法典,通过该法典,空中航行法令和规章的各种要求得以实现。