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阀孔 [fá kǒng]
valve opening
- 通过一个倒置桶疏水阀的独立阀孔排出凝结水。
The condensate discharges through a separate orifice by the inverted bucket. - 通过对精密加工件分配阀体主阀孔的加工工艺试验及研究，总结了一套行之有效的加工工艺。
A complete processing technology is summed up for the main valve opening of the dividing control valve in the fine machining pieces based on the study and test. - 通过分析阀孔加工中喇叭口的形成原因及消除方法，介绍了加工阀孔用硬质合金浮动复合铰刀的设计思路。
By analyzing the reason of engendering bell in cutting valve holes and the method of removing bell, the design thought of the carbide floating compound reamer is introduced.
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