A、 Always use test element that can cause sparks.
B、 Never use test equipment which can cause cracks .
C、 Do not use test equipment that can cause sparks.
答案：C
A、 Always use test element that can cause sparks.
B、 Never use test equipment which can cause cracks .
C、 Do not use test equipment that can cause sparks.
答案：C
A. 该符号指该章节的全部或大部分规则。
B. 该索引指本部分的全部大部分规则。
C. 该内容包括那个部门的全部或大部分规则。
A. Apply three layers of coating.
B. Apply three layers of primer.
C. Apply three layers of bottom primer.
A. Scrape corrosion-protective liquid of the door connections of the landing gear earlier than the flight procedures of low water level.
B. Apply anti-corrosion fluid to the door hinges of the landing gear prior to flight operation above water at low altitude.
C. Solidify corrosion inhibitor on the door hinges of the landing gear in advance of flying across the low water.
A. Removal of the cover is necessary
B. It is necessary to install the cover
C. lt is a must to remove the cover
A. 维护手册的简介部分应包含供应商出版物的清单,或提及此类清单的位置,无论这些清单是包含在系统说明中还是在单独的文档中提供的
B. 维护手册的简介部分应包含供应商出版物的清单,并提及此类清单的位置,无论这些清单是包含在系统说明中还是在单独的文档中提供的
C. 维护手册的简介部分既不包含供应商物的清单,也未提及此类清单的位置,无论这些清单是包含在系统说明中还是在单独的文档中提供的
A. This is an installation procedure used by this typical fastener type.
B. This installation procedure is typical for this type of fastener.
C. It＇s typical to install the fastener according to this procedure.
A. 如果故障频繁出现,进行系统测试。
B. 如果故障定期出现,进行系统测试。
C. 如果故障随机出现,进行操作测试。
A. 确保厕所组件正确冲洗。
B. 确保厕所马桶正常工作。
C. 确保厨房组件正常工作。
A. Read SB and understand the requirements after maintenance.
B. SB should be read and requirements should be known prior to maintenance.
C. Read SB and understand the requirements during maintenance.
A. The thickness of the second coating layer must be 0.5mm and 0.6mm.
B. The coating thickness must be more than 0.5mm and less than 0.6mm.
C. The thickness of primer layer must be between 0.5 mm and 0.6 mm.
