286、如果污染物造成孔堵塞超过 50%,就要清洁显示组件后面的孔。
contamination.
of the display units.
答案解析
相关题目
989、 Stop the test after 2 seconds.
988, STE has a controlled general dictionary that gives the words that are most frequently used in technical
writing.
STE 有一个受控的通用字典,给出了在技术写作中最常使用的单词。
987、Start each section on a right-hand page.
986 、 Some airplanes may not need CAPs because adequate information is contained in the airplane's
maintenance manual. 有些飞机可能不需要 cap,因为飞机的维修手册中包含了足够的信息。
985、Show the date of the revision on each revised page. 在每个修订页上显示修订日期。
984、 Set the rotary switch to INPUT.
983、Servicing include information for servicing the aircraft with proper fuel and oil.
982、Select the hydraulic system that you will pressurize. 选择你要加压的液压系统。
981 、 Revisions are to be made consistent with the format of the specification using the provisions of
980、Replace nuts and washers if removed during inspection. Do not reuse.
