注射孔的英文：
injection orifice
n. 注射；注射剂；充血；投入
- capillary injection
毛细管充血 - A hypodermic injection,syringe,or needle.
皮下注射器一次皮下注射，皮下注射器，或皮下注射的针 - But incomplete adjuvant is adequate for subsequent injections.
但随后的注射则以使用不完全佐剂为宜。 - It has to be given by injection, usually twice daily.
它必须通过注射摄入，通常一天两次。 - The safety member is inserted into and welded on the electrolyte injection hole.
该安全部件被插入并被焊接在该电解液注入孔上
n. 孔口
- In the walls of the cubicle there were three orifices.
办公间的墙上有三个孔洞。 - The concentric orifice is most frequently used type.
同心圆孔板是最经常使用的形式。 - An instrument that dilates a body part,such as a cavity,canal,or orifice.
扩张器扩张身体部分的一种仪器，例如腔、管或是口 - The density P is that of the fluid escaping from the orifice
上式中P是从小孔喷出的流体密度。 - It has rounded shoulders inside instead of the sharp orifice-like edge.
在内部作成圆形凸肩以代替锐缘孔板状的侧面。