A、 The properties of these sealants prevent corrosion.
B、 Corrosion frequently occurs due to the features of these sealants.
C、 The properties of these sealants make themselves easily corroded.
答案:A
A、 The properties of these sealants prevent corrosion.
B、 Corrosion frequently occurs due to the features of these sealants.
C、 The properties of these sealants make themselves easily corroded.
答案:A
A. 过滤器可防止系统中的部件受到磨损。
B. 过滤器可防止系统中的部件受到污染。
C. 填充剂可防止系统中的部件受到污染。
A. 在所有起飞、降落、加速-停止、加速-飞行和其他跑道性能中,有效风分量应取逆风风力的50%和顺风风力的150%。
B. 在计算所有起飞、着陆、中断起飞、加速滑跑和其他跑道性能中,跑道上的有效风分量为150%的逆风分量,50%的顺风分量。
C. 计算起飞距离、着陆距离、加速停止距离、加速起飞距离和其他跑道性能数据时,沿跑道有效风风量应为 50%逆风分量和150%顺风分量。
A. 描述飞机静压系统时,应阐述加热和通风系统的影响以及开窗对备用静压系统的影响。
B. 描述飞机静力系统时,应阐述加热和通气系统以及开窗对备用静力系统的影响。
C. 描述飞机静压系统时,应阐述加热和排气系统以及开窗对替代静压系统的影响。
A. 附件齿轮箱不包括用螺栓固定在发动机上和紧邻发动机的那些附件传动装置。
B. 附件齿轮箱不包括在发动机旁边的那些附件传动装置。
C. 附件齿轮箱包含了固定在发动机上且与发动机紧邻的一系列附件传动装置。
A. Clean the surface to make sure that the sealing is satisfactory.
B. Clean surfaces to ensure the bonding as required.
C. Clean the surface to make sure that the bond is satisfactory.
A. 描述飞机起落架时,应描述减震系统。
B. 描述飞机起落架时,应描述放重装系统。
C. 描述飞机起落架时,应描述冲击避免系统。
A. The numbering of paragraphs and subparagraphs within a section is not required.
B. No numbers of paragraphs and subparagraphs is required in a section.
C. The numeral order of the paragraphs and subparagraphs is unnecessary in a section.
A. Outside Air Temperature is the free air static temperature, obtained either from inflight temperature indications or ground meteorological sources, adjusted for instrument error and compressibility effects.
B. Outdoor Air Temperature is the dynamic temperature of free air, obtained from flight temperature indications or ground meteorological sources and adjusted for instrumental error and compressibility effects.
C. Outdoor Air Temperature is free air stagnation temperature, from flight temperature indicating or ground meteorological resource, and according to the instrument error and compressibility effects to adjust.
A. NOTE: This tryout is to make sure that the flap position indicating system is in a zero energy state.
B. NOTE: This test is to make sure that the flap position indicating system is in a zero condition.
C. CAUTION: This test is to make sure that the flap position indicating system is in a zero condition.
A. 用真空清洁器和刷子清洁设备的内部及其底座。
B. 用真空清洁器和刷子清洁设备的外表面以及安装架。
C. 真空清洁设备及硬件设施的表面涂层。