A、 Solenoid valves shall be shown with a notation. The notation indicates the spring is loaded by the valve to the open or closed position.
B、 Solenoid valves shall be shown with a symbol. The valve indicates whether the valve is spring-loaded to the open or closed position.
C、 Solenoid valves shall be shown with a mark. The mark indicates whether the valve is spring-loaded to the open or closed position.
答案：C
A、 Solenoid valves shall be shown with a notation. The notation indicates the spring is loaded by the valve to the open or closed position.
B、 Solenoid valves shall be shown with a symbol. The valve indicates whether the valve is spring-loaded to the open or closed position.
C、 Solenoid valves shall be shown with a mark. The mark indicates whether the valve is spring-loaded to the open or closed position.
答案：C
A. Reserve the inflammable material at least 50 inches away from the work area.
B. Deposit the explosive substance out of 50 feet with the work area.
C. Keep flammable materials at a minimum distance of 50 feet from the work area.
A. 本规范中的示例应参照性能呈现格式、相关参数和规则。
B. 性能呈现和相关参数的格式以及规则应遵循本规范中的示例。
C. 性能陈述方式、相关的统计数据和规定应作为实例纳入本规范中。
A. This software is only acceptable by the assigned handling system.
B. This software is compatible only with the specified operating system.
C. This software only corresponds to its designed operating system.
A. 为避免由于磁通线引起的温度读数偏差，不要将热电偶导线与电源线邻近或穿过。
B. 为避免由于磁感线引起的温度读数误差，不要将热电偶与电缆邻近或交叉。
C. 不要将热电偶导线与电源线靠近或相交，以防止由于磁通线引起的错误温度读数。
A. The AFDS monitors three separate autopilot channels and a single Mode Control Panel(MCP)
B. The AFDS constitutes three separate autopilot channels and a single Mode Control Panel(MCP)
C. The AFDS contains three separate autopilot channels and a single Mode Control Panel(MCP)
A. Use the correct tools to open the containers for these materials.If you do not follow these prerequisites, injury to your skin and lungs can occur.
B. Get the corrective tools to open the containers for these materials.If you do not obey these precautions, injury to your skin and lungs can occur.
C. Get the proper tools to open the containers for these materials.If you do not observe these precautions, injury to your skin and lungs can occur.
A. Words with lowercase letters are allowed in STE.
B. STE dictionary is permitted to use the UPPERCASE letter word.
C. In STE, a word in capital letters means that it is approved.
A. 这些窗户是机身和乘员舱的窗户，包括挡风玻璃和那些安装在门上的窗户。
B. 窗户是指机身和乘员舱的窗户，包括挡风玻璃和安装在门上的窗户。
C. 窗户指位于机身和驾驶舱的窗户，包括风挡和安装在舱门上的窗户。
A. Add 5 ml of hardener to the compound.
B. Add 5 ml of adhesive to the compound.
C. Put 5 ml of hardener to the component.
A. Emergency Lighting is a independent subsystem used to provide illumination in case of primary electrical power failure.
B. Urgency Lights that supply the lights when the major electronic power fails is a separate subsystem.
C. Ambulance Lights is used to supply lights if the main electrical sources malfunctions as an independent subsystem.
