2201. When the spring compresses, the valve opens

The compressing of the spring can cause the valve to open.

There is no change of the valve when the spring compresses.

After compressing of the spring, the valve goes to closed position.

正确答案：A

设备系统操作理论翻译

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1162. 确保近地警告系统可以工作

1161. Always make sure that you know what you want to say and that the words that you use give the meaning that you want

1160. A red mark on the pin identifies the lubrication point

1159. Open the door until it touches the floor

1158. 此外,所有手册的封面将在封面上醒目地显示以下声明“这本手册包含FAR___部要求的维修信息” (根据需要插入23或25部)。

1157. Hydraulic pressure goes through the valve and drives the hydraulic motor

1156. 如果滑油滤中有金属沉积物,检查滤芯有无磨损。

1155. It includes those maintenance practices necessary to prepare the aircraft for weighing

1154. Exterior Placards and Markings are required for ground servicing instructions, inspections, cautions and warnings

1153. We recommended that you do not do this procedure in the hangar