一种至少有一个输入通道的组合逻辑元件。
A combinational logic element having at least one input channel.
该元件可以是机械的、电气的、液压的或者是其它的组合形式。
The device can be mechanical, electrical, hydraulic or other form of combination.
也可以是这些元件的任何组合。
探讨了新型射流式井下增压装置的射流元件、组合阀、增压缸体和外缸体等关键部件的设计问题。
The design method of the key components of new jet type down-hole supercharger is analyzed.
探讨了新型射流式井下增压装置的射流元件、组合阀、增压缸体和外缸体等关键部件的设计问题。
The design method of the key components of new jet type down-hole supercharger is analyzed.
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