1、孔板量计
... organicsemiconductor有机半导体 orificemeter孔板量计 orthogonaltransformation正交变换 ...
2、孔流速计
... orificeflowmeter锐孔流量计 orificemeter孔流速计 orificeplate①（锐）孔板②光阑 ...
3、孔板流量计
... orificemetercoefficient孔板流量计系数 orificemeter孔板流量计；细孔流速仪 orificeofspinneret吐丝口 ...
4、孔口流量计
... 筛板塔 orifice column 孔口流量计 orificemeter 奥纶 Orlon ...