30.Make sure that the rate of movement of fuel from the wing tanks to the center tank is equal.

A. 　修正空速(CAS)仅为按需使用,以符合认证机构的任何型应要求,因为飞行员延程飞行时需按照指示空速(IAS)工作。

B. 　修正空速(CAS)仅在紧急情况时使用,以符合认证机构的任何对应要求,因为飞行员不能按照指示空速(IAS)工作。

C. 　修正空速(CAS)仅在必要时使用,以符合认证机构的任何对应要求,因为飞行员完全按照指示空速(IAS)工作。

A. 　一旦确定了活门或控制装置的符号或设备,则应在整个手册中将其用于相关组件。

B. 　只要确定了活门或控制装置的特征或设备,则应在整个手册中将其用于此类装置。

C. 　一旦确定了活门或控制装置的符号或设备,则应在整个手册中将其用于此类装置

A. 　Manufacturers may delete systems not applicable to their product.

B. 　Manufacturers may omit systems not applicable to their product.

C. 　Manufacturers may submit systems not applicable to their product.

A. 　这些平头螺母有一个法兰。

B. 　这些螺母有一个平板法兰。

C. 　这些螺母和法兰是平的。

A. 　Instead of using the actual on each page of an original issue of a handbook,the words”Original issue”May be used.

B. 　The actual release date should not be used on each page of this handbook.The term”Ahead release”Should instead be used.

C. 　In place of using the actual date of release on each page of an original issue of a handbook,the letters”Original issue”Have to be used.

A. 　Like warnings and cautions which must lines in the rear of the text,notes may precede or follow proper text up to the material to be emphasized.Warning,cautions and notes shall nor provide procedural steps nor shall they be numbered.

B. 　Unlike warnings and cautions which must lines in the rear of the text,notes may precede or follow proper text up to the material to be emphasized.Warning,cautions and notes shall not provide procedural steps nor shall they be numbered

C. 　Proper warnings and cautions shall be provided ahead of the text while notes may precede or follow suitable text up to the material to be highlighted,warning,cautions and notes shall not show procedural steps nor shall they be numbered.

A. 　If the engine appears to be heating,turn it off.

B. 　If the engine appears to be overheating,turn it off.

C. 　If you think the engine is too hot,turn the switch to off

A. 　文中此类插入语应简短明了并用于强调重要和关键的指示。

B. 　文中此类插图应简单具体并用于强调重要和关键的指示。

C. 　文命此类插入语必须简短明了并用于强调重要和批评性的指示。

A. 　一旦确定了活门或控制装置的符号或设备,则应在整个手册中将其用于相关单元

B. 　只要确定了活门或控制装置的特征或设备,则应在整个手册中将其用于此类装置。

C. 　一旦确定了活门或控制装置的符号或设备,则应,在整个手册中将其用于此类装置。

A. 　Replace components that wear more than the maximum limits.

B. 　Replace components that wear more than the less than limits.

C. 　Replace components that wear more than the minimum limits.