N 开头单词

needle-punched felt [经济学]针刺呢

needle-point sampler [机械工程]原粮扦样器

needle-point leaf [机械工程]针叶

needle-point gap [化学]针尖间隙

needle-point fabric [经济学]细珠皮呢

needle-point n.针尖

needle-like protrusion [水利工程]针状突体

needle-like carbide [能源科学技术]针状碳化物

needle-like adj. 针状的

needle-leaved tree [农业科学]针叶树

needle-inserting tube [医药科学]进针管

needle-holding forceps [医药科学]持针钳

needle-density n.针入密度

needle-bearing 滚针轴承

needle work 缝纫；针线活

needle wood

needle warming therapy [医药科学]温针疗法

needle valve [机] 针阀；针状活门

needle tube 针形管

needle therapy n. 针灸疗法（等于acupuncture）