two-hole button两目扣
two-hole grating两孔光栅;双激光器
two-hole film双孔底片
Japanese two-hole翻译公司双翻译公司
two-hole control两目扣
two-hole method二孔法
two-hole coupler双孔耦合器
two-hole technique两孔技术
two-dimensional hole二维空穴