面向城镇的墙壁呼应了河流的线条，北部立面与龙里镇的轴线相平行，形成向东变窄的三角形状。
The wall facing the town mimics the line of the river and the northern facade parallels the axis of Longli town, creating a triangular shape that Narrows eastward.
阻尼器的对称轴线与被控机器或结构物的振动方向相垂直。
Its symmetric axis is vertical to the vibrating direction of the controlled machine or structural object.
当蝶板运行到与管道轴线相垂直时，阀门即切断介质处于密封状态。
The valve gate will cut off medium and be in the sealed state when the butterfly disc moves to the vertical place with pipe axis.
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