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

547、Acetone is a heavy-duty degreaser suitable for metal preparation and removing grease from fabric covering prior to doping.

546、MAKE SURE THAT THE RODS HAVE SUFFICIENT CLEARANCE.

545、对于所有飞机在起飞和飞行中(可能)发生的所有的发动机故障(包括部分失效),均应提供程序。

544、Each Handbook shall have an "Airplane Weighing Form" that includes an airplane side view showing the location of weighing points ( ) relative to the datum line.
每个手册都应该有一个“飞机称重表”,其中包括飞机的侧视图,显示了相对基准线的称重点(使用顶升点或起落架)的位置。

543、The next check interval is based on the inspection results of this time

542、Correct punctuation is important because it shows how the different parts of the text are related and prevents ambiguity.

541 、 utilizing an airplane as intended by the manufacturer, combined with sound inspection and
ice rain or a mixed conditions, may maintenance practices , forms the basis for assuring the airplane remains airworthy and safe to operate. 根据制造商的意图使用飞机,结合良好的检查和维护实践,形成了确保飞机保持适航性和安全操作的基础。

540、包含大的过冷水滴,冻雨或混合情况的大气条件,可能超出 FAR 参数和认证的防冰系统能力。

539、Make an analysis of the oil.

538、不要使用笼统和含糊的动词。