284. 它包括用于检查损坏的飞机或正在进行大修的飞机的基本索具尺寸。

It includes cardinal rigging dimensions used in checking damaged aircraft or aircraft undergoing major repair

It includes the basic rigging dimensions for inspection of damaged aircraft or aircraft is undergoing major repairs.

Basic rigging dimensions for inspection of damaged aircraft or aircraft experienced major repairs should be included.

正确答案：A

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3079. The Inlet Guide Vanes, or IGVs open and close to regulate the amount of air that comes into the load compressor section of the APU

3078. Apply grease to the v-clamp before you install it

3077. 超过这个速度时不要收放起落架。

3076. If this maneuver cannot be performed safely, a warning against attempting it shall be provided

3075. The example has short paragraphs, which give the text a clear structure and make it easy for the reader to understand

3074. You must use a respirator if the fuel-gas concentration in the work area is 5% more than the lower explosive limit

3073. In extreme climates and low ambient temperatures, it may be difficult to lubricate the flap and slat systems correctly

3072. The heat and sound insulation blankets are covered by lining and furnishing panels, which also provide cockpit decoration

3071. 所有相关数据应按逻辑方式分组。

3070. On pages requiring folding, the fold shall be made in a manner that permits the page number to be visible