650、如果在泵中发现金属颗粒,找到它们的来源并修复有缺陷的部分
答案解析
相关知识点:
泵里有颗粒,找源修缺陷,选B别弄错
相关题目
838、Emergency Procedures and other pertinent information necessary for safe operations shall be provided for emergenciespeculiar to particular airplane design, operating or handling characteristics.
837、EGT shows only when the EEC has electrical power.
836、Do the related troubleshooting procedures.
835、Do not use metallic objects which could nick or damage the uplock spring surface
834、Do not make a recess of more than 2mm for the studs.
833、Do a continuity check at the Alternate Exhaust Fan Receptacle.
832、Descriptive Data shall be supplied for standard and optional engine and propeller installations and fuel and oil systems
831、Corrosion inhibiting compound may be present in corrosion susceptible locations.
830、Corrosion can have a lot of causes
829、Complex sentence structure and the large number of meanings and synonyms that many English words have can causeconfusion.
