LEAP1-A整流罩限制条件，正确的是

27.Each Handbook shall have an Airplane Weighing Form" that includes an airplane side view showing the location of weighing points[using jacking points or undercarriage]relative to the datum line( )"

26.Before you put new oil in the system, it is mandatory to replace the filter ( )

25.Adjust the gyro accurately( )

24.逆时针转动旋钮,以降低光的强度。 ( )

23.缓慢增加压力(每分钟不超过一圈)。( )

22.Lubricate the O-rings with hydraulic fluid( )

21.The bottom mark on the board is red( )

20.Carefully remove the trim cover from the adhesive tape( )

19.If the components fall, permanent damage can occur( )

18.该规范的目的是为了将通用航空飞机所有者和运营人以及维修人员的成本降到最低。( )