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 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）