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。

241、Before you put new oil in the system, it is mandatory to replace the filter.

240、Long noun clusters are not easy to understand because the words in the noun cluster can connect to each other indifferent way.

239、当液压系统 B 的发动机驱动泵压力低于正常时,液压动力转换组件系统为前缘襟翼和缝翼提供备用液压。

238、Make sure that the fluid that goes through the tube has no bubbles.

237、程序中应提供发动机空中启动、以及一旦发动机无法启动的后续措施。

236、The listed technical names are only examples.

235、Surge tanks found outboard of each main tank collect fuel overflow and fuel from the vent system.

234、Each system has a receiver which is located in an avionics compartment and which is tuned either automatically from the FMS or manually from the relevant Nav control panel.

233、If the danger is clearly specified the person who does the task will understand the risk and be ＇more careful.

232 、 The normal pitch control law is basically the closed loop control of the load factor, and includes flight envelope protections.