142.lf the filters become clogged after an unusually short time, send them to the laboratory for analysis of
the contamination. 如果过滤器在异常短的时间内堵塞,就把它们送到实验室进行污染分析。

　 A lab analysis of the contamination is required to the frequently clogged filters.

　 When you find the filters blocked in a very short time, ask the vendor to inspect them for any
contamination.

　if the filters get clogged at an unusually early stage,send them to the laboratory to analyze the contamination.

正确答案：C

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1132、Detection system is used to detect and indicate the formation of ice.

1131、De-energize the system.

1130、Database synchronization is in progress.

1129、Continuing Airworthiness Program Inspections usually consist of two
pages one text page and one illustration page.

1128、Connect the towing arm to the nose gear.

1127、 Connect the disconnected wires.

1126、 Comments are located directly below the repair/modification section, extending from the left to the
right margins.

1125、Close valve "A" when you get the same indications on gauges “X” AND”Y”

1124、 CALTION、WHEN YOU REMOVE THE PROBES, DO NOT LET THEM TOUCH EACH OTHER.

1123、 Carefully put the valve assembly in its position and install the spacers and the bolts.

142.lf the filters become clogged after an unusually short time, send them to the laboratory for analysis ofthe contamination. 如果过滤器在异常短的时间内堵塞,就把它们送到实验室进行污染分析。