776、如果过滤器发生堵塞,应送去实验室分析污染情况

　If the contaminant is blocking the filter, the material should be sent to the laboratory for, analysis.

　If the filters become clogged, send them to the 1aboratory for analysis of the contamination.

　If the filters are surged, send them to laboratory for contamination analysis.

正确答案：B

解析：

解析:注释: block=clog 堵塞,阻塞; surged 汹涌,涌动。 contaminant 污染物;contamination 污染。

712、If you do not safety the door it is possible that strong winds will cause damage to the structure. 如果你不锁好门，强风可能会对结构造成破坏。

711、If you cannot engage the rod and the piston, the length of the new rod is possibly incorrect

710、If this maneuver cannot be performed safely, a warning against attempting it shall be provided.

709、If the RAT is retracted, slowly and fully extend the RAT and make sure that it does not touch other parts.

708.If the format parameter or rule is inappropriate to the type of airplane, equivalents likely to achieve thesame objective may be used

707、If the error is more than 3 deg, calibrate the compass.

706、If possible, always tell your reader what can occur if the safety instruction is not obeyed. 如果可能的话，总是告诉读者如果不遵守安全指示会发生什么。

705、Hydraulic fluid is dangerous for your eyes. 液压油对眼睛有害。

704、Extend and retract the actuator through three full cycles. 伸展和缩回执行机构通过三个完整的周期

703 English is not often the native language of the readers of technical documentation 英语通常不是技术文档读者的母语