The result showed that the dynamic characteristics of the air spring with auxiliary chamber are interrelated observably to the size of the throttle orifice.
研究结果表明：空气弹簧动态特性与节流孔孔口大小有着明显的关系。
A restoring spring presses the armature toward the first orifice.
一弹簧按下恢复对第一口衔铁。
The groundwater in Karst spring basin has a characteristic of concentration drain, it is similar to unsteady orifice outflow in fluid mechanics.
岩溶泉域地下水具有集中排泄的特点，它类似于流体力学中的非恒定孔口出流。
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