N 开头单词
needle test point 針狀測試點
needle sharpener [毉葯科學]注射針研磨器
needle roller thrust bearing 推力滾針軸承
needle roller bearing 滾針軸承；滾動軸承
needle roller 滾針；卷葉蟲
needle puncture biopsy [毉葯科學]針刺活檢
needle point 針尖
needle plate 針板；導針板
needle pitch 針距
needle mushroom 金針菇
needle measuring valve [地球科學]針形流量測定牐閥
needle loom 針織機；針織編帶機；導針織機
needle hole 針孔；針洞
needle holding forceps [毉葯科學]持針鉗
needle holder and forceps [毉葯科學]持針器和鉗
needle gun 針擊槍（1866～1870年間普魯士軍隊用的）
needle globe valve [機械工程]針形截止閥
needle gage 針距