756、尽管压力降低,活门必须保持关闭

732．The center of gravity moves in relation to the loads on the wings 重心随着机翼上的载荷而移动

731 、 Structural or equipment modifications can change the basic mass and the center-of-gravitycoordinates

730、Speed-Attitude Correction system autocratically maintains a safe flight attitude by correcting for effectsof speed.

729、Solvent that stays on the part can cause corrosion.

728、Solenoid valves shall be shown with a notation indicating whether the valve is spring-loaded to theopen or closed position. 电磁阀应该显示一个标记，表明阀门是弹簧加载到打开还是关闭位置。

727、Rinse（冲洗） the basin with water. 用水冲洗盆。

726、Remove the sleeve to release the sliding tube 拆卸套管以释放滑动管

725、Remove the sealant with a blunt scraper.

724、Remove the pin before you turn the pulley

723、 Rectify the defect before you stop the pump momentarily. 在暂时停止泵前先纠正缺陷。