公称的英文：
nominal
- Lever-lock handles are not recommended for use on 8"" and larger valves.
建议不要在公称通径大于8英寸的阀门上使用杠杆固定锁手柄。 - "Specify valve size, figure number and length to be added to existing stem length (dimension a)."
请说明阀门的公称通径、型号和加在现有阀杆上的长度(尺寸"a")。 - "Butterfly Valves 2""-12"" shall be of the flangeless type, both lug and wafer styles."
2至12英寸公称通径的蝶阀是无法兰类型,但都有平板型和吊耳型两种类型。
adj. 名义上的；微不足道的；票面上的
n. 名词性词
- nominal addendum
标称齿顶高 - He is nominated as police chief.
他被任命为警察局局长。 - The charge of the box lunch was nominal.
午餐饭盒收费很少。 - Let‘s nominate a date for the race.
我们给比赛定个日期吧。 - He could not realize their nominal closeness.
他没法儿想得出来，他们名义上那样近的关系会是真事。