616.Make sure that the cable is not caught ( )

321.If you use more complicated types of sentence structure other than the imperative form, you can cause ambiguity ( )

320.The usual control for the left pack makes sure that it supplies air at a temperature That gives the necessary cooling for the fight compartment ( )

319.修订意味着对现有手册中的信息进行修改。 ( )

318.Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot which is useful in loading, sheltering, handling, and routine preflight checking of the airplane( )

317.单词列表只突出显示主要更改。( )

316.The injury to your skin and lungs be can occur( )

315.Make sure that the wire is in the position to cause the parts to lock ( )

314.This method is recommended as minimizing errors of distribution , and also informs owners of the availability of systems and equipment ( )

313.Make sure that the warning light comes on in less than 3 seconds( )

312.STE 句子使用被批准的单词以不同的方式清楚地给出相同的信息。( )