Turbine engine tachometers usually measure speed as a percentage of the maximum speed of the turbine(s), unless specifically referred to the propeller.

A. Section 1 of the Pilot＇s Operating Handbook shall introduce basic data and information of general interest to the pilot. The data and information is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

B. Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The general interest is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

C. Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The pilot is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

A. 在”停放“这节中包含一些预防措施和限制， 例如在起落架减震支柱内的压力和机轮的转动方面。

B. 在”停放“这节中包含一些预防措施和限制， 例如在起落架减震支柱内的压力和机轮的转速方面。

C. 在”停放“这节中包含一些预防措施和限制， 例如在起落架减震支柱内的油压和机轮的转速方面。

A. Make sure that there are no foreign particles in the oil.

B. Make sure that there are no metal particles in the oil.

C. Make sure that there are exempt metal particles in the oil.

A. 标题页的背面应留白，以避免有可能漏插飞机序列号和注册号而需要修改。

B. 标题页的背面应保留空白，以避免需要修改以及有可能遗漏插入飞机的序列号和注册号。

C. 标题页的背面应保持空白，从而不用改版，也可以避免有可能漏插飞机序列号和注册号。

A. Normally, it is named “fly by electrical control system”.

B. Normally, we name it “fly by electrical system”.

C. This is commonly referred to as “the flight by wire system”.

A. 告诉一个人撤除轮挡。

B. 告诉A撤除轮挡。

C. 告诉一个人去拆卸机轮。

A. The function of the portable water system is to store and send drinking water to the passengers.

B. The potable water system must keep and transfer the water to the toilet for washing only.

C. The purpose of the drinking water system is to store and deliver the water for drinking.

A. The temperature decreases - 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and zero above that altitude.

B. The temperature gradient from sea level to the altitude at which the temperature is -56.5°C is - 0.00198°C per foot and zero above that altitude.

C. The temperature drops 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and to zero above that altitude.

A. Make up for all gaps which are larger than 0.05 mm.

B. Repair all cracks that are wider than 0.05 mm.

C. Overhaul all fissures which are greater than 0.05mm.

A. 在左边空白处用黑色垂直线或用“手形指示”来标记确定插图的修改部分。

B. 用与修改部分相对的左边空白处的黑色垂直线或用“手形指示”来确定插图的修改。

C. 用左边空白处的黑色水平方向直线或用“手形指示”来确定插图的修改。