731.()the switch to on.设置开关到打开。

1221 、 Aircraft maintenance manual or section , which includes at 1east thefo11owing D information introduction information that includes an explanation of the airplane＇s features and data to the extent necessary for maintenance or preventive maintenance.

1220、对于拥有或操作非运营飞机的持照飞行员,可以在联邦航空法规 43 部的授权下对其飞机实施受限制的预防性维修。

1219、It has a single shaft and operates at a constant speed.

1218、This enables better thrust management and decreasesfuel consumption.

1217、用大量肥皂水清洗窗户。

1216、This document shall specify,for a crack inspection, the minimum size crack expected to be discovered or, if no minimum is defined, a statement to this effect.

1215、Controls in the flight compartment permit selection of temperature and flow rates.

1214、不要使用可能引起火花的测试设备。r

1213、Make sure that the temperature of the probe increased to more than 500℃。

1212、营运人应与当地的管理当局协商,调整间隔时间,使其最适合各自的运营坏境。