1159、Engine driven pumps are primary pumps which run continuously when they are turned on.
答案解析
解析：
相关知识点：
发动机驱动泵运行持续
相关题目
330、 禁止使用任何非受控的技术文件去做维修工作。
329、Send five copies of the defect report to the engineering authority
328、Make sure that the movement of the elevators is slow.
327、If the left CMC fails, automatic switching occurs so that the right CMC provides the outputs.
326、 The surface contour of a repair in a 3- inches radius from the centerline of a static port does not havean error of more than 0.007 inch.
325、对于词汇表，只有主要的变化被突出显示，对各种已批准和未批准的示例的微小更改没有突出显示。
324、 To prevent unwanted friction, polish the surface.
323、 将所有装有不同金属螺套或有较深盲孔的金属零件在烤箱中干燥至少一小时，烤箱温度为 225 到 275华氏度(107 to135C).
322 、 In 1944, the British Civil Airworthiness Requirements was developed to form the code of theAirworthiness Standards through which the requirements of the Air Navigation, Orders and Regulationswould be met.
321、Tighten the bolts manually if you cannot do it with the specified tool. 如果不能使用指定的工具手动紧固螺栓。
