Tilting disc check valves are used to prevent reversal of flow in horizontal or vertical pipe lines. In vertical lines, or for any angle from horizontal to vertical, they can be used for upward flow only.
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The hologram circles are heat-transferred on one by one by hand and fall in vertical lines like rain drops.
全息的亮片全都手工加热然后一片一片贴上裤子的，垂直分列，好像雨滴。
The rhythm of vertical lines of glued pine wood gives the building an appeal as it associates with boles of the wood and embraces the building in the landscape of Jurmala.
粘在一起的垂直松木线条的韵律给予了这幢建筑一种魅力，因为它联系起了树干，并在尤尔马拉的景观中拥抱这幢建筑。
That is why kittens raised so that they see only vertical lines have brains that look different from those raised in an environment with purely horizontal ones.
这就是为什么在只有垂直线的环境中长大的小猫和的大脑和那些生活在水平线环境中的猫的大脑有所不同。
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