In a cat's throat, for example, the two tubes run roughly horizontal and parallel to each other before heading on to the stomach and lung, respectively.
举个例子，猫的喉咙里这两种管子大致是平行分布，然后各自到达胃和肺部。
2
It should be installed in horizontal or vertical section of a pipe where there is a straight run of at least 5 pipe diameters on each side.
流量开关应该安装在水平管道或垂直管道上，每一侧至少有5倍管道直径的直线管道长度。
3
This allows our swing check valve to close completely even when installed in a horizontal pipe run with no flow.