68.If the probes touch each other,they can become demagnetized.

A. The interval between checks is at least two minutes.

B. The lowest limit of checks is two minutes.

C. Between two checks,it needs two minutes.

A. If the scratch does not go through the protective layer,the unit is serviceable.

B. If the nick does not go through the primary surface,the unit is serviceable.

C. If the scratch does not go through the protective surface,the unit is movable.

A. 更换有摩擦的导热垫。

B. 更换有磨损的隔热毯。

C. 更换有晃动的绝缘板。

A. 为了简化阅读和相互援引,插图、图形和表格应尽可能以纵向排列布局呈现。

B. 为方便阅读和相互参照,如可行,插图、图形和表格应垂直排列布局。

C. 为了精简阅读和交叉索引,插图、图标和表格如可行,应纵向排列布局。

A. There is no influence on your eyes for hydraulic fluid.

B. Hydraulic fluid has no effect on your eyes.

C. Hydraulic fluid can cause eye injury.

A. When describing the airplane's Landing Gear,how its indication system functions shall be explained.

B. When describing the airplane's Landing Gear,how its emergency response system functions shall be explained.

C. In the description of the airplane's Landing Gear,how its warning system functions shall be explained.

A. Examine the transformer of the floor panel.

B. Examine if the floor panel is laminated.

C. Examine the floor panel for deformation.

A. Check all parts with clear defects in accordance with standard industry practices.

B. Check all parts for visible defects in accordance with standard industry practices.

C. Check all parts for serious defects in accordance with standard industry practices.

A. This tool is mandatory.

B. This tool is optional.

C. This tool is necessary.

A. Charge the battery.

B. Fill the battery.

C. Add the battery.