pit of wood cell：木材細胞紋孔

pit of the radicle ==> 胚根尖部 | pit of wood cell ==> 木材細胞紋孔 | pit orifice ==> 紋孔口

Spillway, siphon：虹吸溢洪道

spillway; orifice 孔口溢洪道 | spillway; siphon 虹吸溢洪道 | spillway channel 溢洪渠道

sharp-nosed mackerel shark：灰鯖鯊

sharp-edge orifice meter 銳孔流速計 | sharp-nosed mackerel shark 灰鯖鯊[Isurus glaucus] | sharpen 削尖

sharp-cutting edge：銳利的切削刃

semideep-deep lacustrine facies中深-深湖相 | sharp-cutting edge銳利的切削刃 | sharp-edge orifice銳孔板

sharp-cut filter：銳波濾光器

sharp series 銳<線>系<列> | sharp-cut filter 銳波濾光器 | sharp-edge orifice meter 銳孔流量計

pump priming delay：泵起動延時

pump prime orifice;泵起動注油器小孔 | pump priming delay;泵起動延時 | pump problem;泵的問題

Orthopaedics：矯形外科學

infest 浸染,感染(動) | orthopaedics 矯形外科學 | orifice 口,孔,洞

quadrant photomultiplier：象限光電倍增器,四象限光電倍增管

quadrant orifice ==> 扇形孔板 | quadrant photomultiplier ==> 象限光電倍增器,四象限光電倍增管 | quadrant reflector ==> 四分之一圓形反射器

Orlon fiber：聚丙烯腈纖維(商業(yè)名稱)

orifice flow 銳孔流出;孔板流出 | Orlon fiber 聚丙烯腈纖維(商業(yè)名稱) | oscillating 擺動,振動,振蕩