298、Use a word that is unapproved in the dictionary only when it is a technical name or part of a technicalname.

1191、Do the backup of ethe computer at regular2 intervals.

1190、实施航线维修的维修机构,其航站在非本国领土时,放行人员应依据航站所属国的航空法规进行资格审定。

1189、Install the larger bolts.

1188、Set the STANDBYI POWER switch on the P5 panel to the OFF position.

1187、Each page must bear the date of the original issue until revised and, when revised, that of the latest revision

1186、When you use an approved word, make sure that you only use it as that part of speech.

1185、One characteristic of the component is preventing its axis of rotation tilting as the earth rotates.

1184、Advisory circular is information provided by FAA that is not mandatory

1183、Tighten the coaxial connectors (hand tight plus 1/4 turn).

1182、压缩机需要配备压力调节器、空气软管和适当的过滤系统,以确保将清洁、干燥、无油的空气输送至喷嘴。