470、Before you put new oil in the system, it is mandatory to replace the filter. 在将新油放入系统之前，必须更换过滤器。

1019、This document provides supplementa1 to the applicable airplane maintenance manual.

1018、All the materials used to seal the tanks are fully resistant to all the fuels and the fuel additives.

1017、For simplicity of presentation fand understandability, complex systems should be divided into system-function ratherthan overall master schematic diagrams.

1016、A system is a combination of interrelated components arranged to perform a specific function.

1015、The aircraft may be maintained in accordance with the latest information issued by the manufacturer.

1014、The sequence of topics in the Handbook is intended to increase in-flight usefulness

1013、如需变更维修方案,须经设计部门批准。

1012、Instead of using the actual date of issue on each page of an original issue of a Document; the words ORIGINAL ISSUE" maybe used. In such a case the Title Page and the Table of Contents pages preceding each section of the Document must bearthe actual date of issue following the words “ORIGINAL ISSUE"."

1011、The flight data recorder system gets and stores airplane parameters from airplane systems and sensors.

1010 、 Engine Controls and Instruments include, definitions, descriptions or explanations of he the following terms orcomponents. definitions, descriptions and explanations provided are examples. Those used in a particular. Handbook shouldbe appropriate for that particular airplane of installation.