A、 You must inspect the check valve to make certain that the spring holds the check valve open a short distance before installing the duct and check valve assembly.
B、 Before you installing the duct and check valve assembly, you must check the check valve to make sure the spring holds the check valve open a short distance.
C、 You must exam the check valve to ensure the spring holding the check valve open a short distance before mount the duct and check valve assembly.
答案:A
A、 You must inspect the check valve to make certain that the spring holds the check valve open a short distance before installing the duct and check valve assembly.
B、 Before you installing the duct and check valve assembly, you must check the check valve to make sure the spring holds the check valve open a short distance.
C、 You must exam the check valve to ensure the spring holding the check valve open a short distance before mount the duct and check valve assembly.
答案:A
A. 如果情况发生变化,则使用不同的材科。
B. 如果情况发生改变,则使用不同的建筑物。
C. 如果意思有变化,则使用不同的结构。
A. After he reached the airport, he found he was too late to catch the airplane.
B. Having reached the airport, he found the airplane would take off.
C. Having reached the airport, he found the airplane was taking off.
A. 用螺母将面板固定在支架上。
B. 用螺栓将面板固定在结构件上。
C. 用螺栓将面板固定在支架上。
A. 可以从ABC经销商或工厂客户服务代表处获得相应表格的副本和需要填写条目的说明。
B. ABC经销商或工厂客户服务代表处需获取相应表格的副本和需要填写条目的说明。
C. ABC经销商或工厂客户服务代表处必须提供相应表格的副本和需要填写条目的说明。
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. FAA批准的适航限制应该作为整体的文件进行准备,以包含在主维修手册中,并插入飞行员运行手册中的“限制部分”。
B. FAA批准的适航限制应该作为单独的文件进行准备,以包含在主维修手册中,并插入飞行员运行手册中的“限制部分”。
C. FAA批准的飞行限制应该作为单独的文件进行准备,以包含在主维修手册中,并插入飞行员运行手册中的“限制部分”。
A. Make sure that material and dimensions of the new floor panel are the same with the removed one.
B. Make sure that contour and design the new floor panel have no difference with the removed one.
C. Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.
A. 从软管开始弯曲的地方测量软管的弯曲半径。
B. 在软管弯曲的地方开始测量软管的内径。
C. 从软管弯曲的内侧开始测量软管弯曲的角度。
A. Make an enter in the logbook to show that you did the deactivation procedure.
B. Make an entry in the logbook to show that you did the deactivation procedure.
C. Make an entrance in the logbook to show that you did the activation procedure.
A. VARY
B. CHANGE
C. CONSTANT