A、 Components and components (ducts and valves) that transport high pressure air from the air source to other systems, such as environmental control, deicing, etc.
B、 Those units and components (ducts and valves) which deliver large volumes of compressed air from a power source to connecting points for such other systems as environmental controls, deicing, etc.
C、 Conveying large quantities of compressed air from the intake line to other systems, such as environmental control, deicing, etc. Components and components (ducts and valves) at connection points.
答案：B
A、 Components and components (ducts and valves) that transport high pressure air from the air source to other systems, such as environmental control, deicing, etc.
B、 Those units and components (ducts and valves) which deliver large volumes of compressed air from a power source to connecting points for such other systems as environmental controls, deicing, etc.
C、 Conveying large quantities of compressed air from the intake line to other systems, such as environmental control, deicing, etc. Components and components (ducts and valves) at connection points.
答案：B
A. To open the containers for these materials, sittable tools must be used.
B. The appropriate tools should be selected to open the materials, the containers is inside the materials.
C. The inappropriate tools should be selected to open the containers, the containers is made in the materials.
A. LIGHTS
B. COMES IN
C. COMES ON
A. 拆卸密封胶和钝铁锹。
B. 用锋利的铲子去除密封胶。
C. 用钝刮刀刮掉密封胶。
A. 裸露的金属表面通常适合电搭接。
B. 纯金属表面通常适用于电气连接。
C. 金属搭接面通常具有良好的电气连接效果。
A. If the drain hole is blocked, clean it.
B. If the drain hole is leaked, clean it.
C. If the drain hole is locked, clean it.
A. 这个反馈被连接到下游的二极管Q1。
B. 这个反馈被连接到上游的三极管Q1。
C. 这个反馈被连接到下游的三极管Q1。
A. You do not need to give the return processes in its entirety unless you need to comprehend the system.
B. Unless you need to comprehend the system,do not need to fully show the return lines.
C. Return lines need not be shown completely if the system need not be realized.
A. 为了简化表示和易于理解,应用系统应该分为系统功能而不是总体主原理图。互连到其他系统应明确指出。
B. 为了简化表示和易于理解,复杂系统应该分为系统功能而不是总体主原理图。互连到其他系统应明确指出。
C. 为了简化表示和易于理解,复杂系统应该分为系统原理而不是总体主原理图。互连到其他系统应明确指出。
A. 臭氧转换器防止臭氧对膜材料进行氧化,从而防止空气分离模块受损。
B. 臭氧转换器防止臭氧对膜材料进行氧化,从而避免空气分离模块受损。
C. 臭氧转换器防止空气分离模块受损,已使得臭氧对膜材料进行氧化。
A. Three computers collect data and parameters from the systems and put them together on the data link to the display unit;
B. Three computers gather data and parameters from the systems and put them together on the data link to the display unit;
C. Three Components collect data and parameters from the systems and put them together on the data link to the display unit;
