1720. Make sure that equipment is cleared of this area

1643. Stir the bonding material wtih a spatula

1642. Correct the tension

1641. 设置开关到打开位。

1640. When you lift or lower the aircraft, you must keep the level attitude

1639. Class D fire is a fire in which a metal such as magnesium burns

1638. Propeller ‘s blade angle is the angle formed between the face of a propeller blade and its plane of rotation Blade angle is normally specifies at a particular blade station

1637. Calibrated Airspeed ( ) is to be used only as necessary to comply with any applicable requirements of the certificating authority as the pilot works exclusively with Indicated Airspeed ( )

1636. 如果是由于下游阻塞造成压力上升太多,释放活门就会打开。

1635. The electronic functions of the BSCU ( ) are capable of a certain self-diagnosis

1634. Gas pressure in the sense tube holds the fault pressures witch in the closed position The other two pressure switches close when the gas pressure increases because of an overheat or fire condition