515.为了便于阅读和交叉参考,如果可行的话、插图、图形和表格应以垂直布
局显示

257.Documents must be readily revisable

256.The backside of the title page should be left blank to avoid the need
for revision and potential loss of the inserted airplane serial and
registration numbers.

255.Trichloroethylene is a health hazard.

254.Because of the varied missions the airplanes performed, type of care
given, and age and utilization rates, ABC has determined, based on
inspections, tests, and analyses, that it is necessary to provide
additional inspection requirements to further ensure that the airplanes
can continue to carry the design loads it was originally certified for.

253.不要吸入溶剂烟雾。

252.Any maintenance anomaly would subsequently be brought to the
attention of both the owner and maintenance personnel.

251.It is not necessary to include a relocated chapter table of contents
if the total chapter has been relocated, but the subsystem relocations
should then be identified in the Table of Contents at the front of the
book.

250.所有的修改都要得到设计部门的批准。

249.BEFORE YOU ( )THE UNIT, DO THE SPECIFIED TEST PROCEDURE.

248.用柔软的干布快速摩擦表面。