问题
问答题 简答题
说明调节阀手把（汽门）的构造和怎样调整？
答案
参考答案：
调节阀由齿形板、齿形滑块、导架、手把，活动连杆，曲拐手柄，螺栓、弹簧、手把安装座，杠杆支点轴组成，当手把向前推至与止棒相碰时，如调节阀尚未关闭，可放松连杆上的防缓螺母，旋动拉杆，使其缩短而得到调整。
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说明调节阀手把（汽门）的构造和怎样调整？
参考答案：
调节阀由齿形板、齿形滑块、导架、手把，活动连杆，曲拐手柄，螺栓、弹簧、手把安装座，杠杆支点轴组成，当手把向前推至与止棒相碰时，如调节阀尚未关闭，可放松连杆上的防缓螺母，旋动拉杆，使其缩短而得到调整。
| 阅读下列材料。从所给的A-F六个选项中。选出正确的选项填空。使短文通顺、内容完整（有一个 选项是多余的）。 | |
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