1、This is a recommended precaution to keep the center tank in good condition.It is recommended that you do this procedure at intervals of 100 days.

A. 　Where schematic diagrams are complex by virtue of automatic features or articulated controls in the subject system,these characteristics should be pointed by means of explanatory text in the diagram,or in the accompanying text,or both.

B. 　Where schematic diagrams are complex by venture of automatic characters or articulated controls in die subject system,these characteristics should be pointed at by means of apparent text in the diagram,or in the accompanying text,or both«

C. 　where schematic diagrams are complex by virtue of automatic features or interrelated controls in the subject system,these characteristics should be pointed out by means of explanatory text in the diagram or in the accompanying text,or both.

A. 　转动凸轮以松开管路。

B. 　转动卡箍以使管路自由移动。

C. 　转动卡箍以松开管路。

A. 　If you get a minimum clearance of 0.1 in.,you can adjust the length of the rod.

B. 　Do not adjust the length of the rod unless you get a minimum clearance of 0.1 in.

C. 　Adjust the length of the rod until the minimum clearance is 0.1 in.

A. 　如果不正确跟进操作程序、检查、修理或维护程序,可能导致人员受伤。

B. 　如果没有紧跟操作程序、检查、修理或维护程序,可能导致人员伤亡。

C. 　如果不正确遵循操作程序、检查、修理或维护程序,可能导致人员伤亡。

A. 　如果剪切销断裂,检查拖把。

B. 　如果销钉断裂,检查拖把。

C. 　如果剪切销断裂,给拖把做测试。

A. 　若为松散页,则每一页应注明修改日期和生效日期,或以其他方式标识修订状态。

B. 　若为固定页,则每一页应注明修该日期和生效日期,或以其他方式标识修订状态。

C. 　若为活页,则每一页应注明修订日期和生效日期,或以其他方式标识修订状态。

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 not 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. 　如果飞机有一个内置的辅助动力装置,描述该装置并解释它是如何所合电气系统工作的。

B. 　如果飞机有一个附加的辅助电源组件,描述该装置并解释它是如何对接电气系统的。

C. 　如果飞机有--个内置的辅助动力装置,描述该装置并解释它是如何装配到电气系统的。

A. 　Each Chapter or Section begins with either a general description of the system its operation or Description and operation should be labeled.

B. 　Each Chapter or Section begins with neither a general description of the system nor its operation nor Description and operation should be labeled.

C. 　Each Chapter or section,which is to begin with both a general description of the system and its operation,should be named Description and Operation.

A. 　Space permitting,legends shall be spelled out within the diagram rather than abbreviated or keyed by numerals to a list of legends at the bottom or on an adjacent page.

B. 　Where space permits,legends should be illustrated in forms?rather than briefed or typed in legend lists at the bottom adjust pages.

C. 　Space permitting,legends have to be explicated within the chat rather than syncopated or keyed by numbers to a list of legends at the bottom or on an adjacent page.