美 [ˈfiːmeɪl skruː]
母螺纹：一种内螺纹，通常用于与外螺纹（公螺纹）配合连接两个物体。
内螺纹
阴螺纹
螺母
阴螺旋
... female screw 螺帽; 螺母; 阴螺纹; 内纹螺杆; 阴螺旋; 母螺旋 收藏 female thread 阴螺纹; 内螺纹; 母螺纹 收藏 female body size 个体大小 收藏 ...
... felts,saturating 油毡原纸 female screw 阴螺丝 fender board （汽车用）防护纸板 ...
... elevating screw 升运螺旋,螺旋升运器 female screw 阴螺旋,内螺纹 fine adjustment screw 微调螺丝,精密校正螺丝 ...
... female screw 螺帽; 螺母; 阴螺纹; 内纹螺杆; 阴螺旋; 母螺旋 收藏 female thread 阴螺纹; 内螺纹; 母螺纹 收藏 female body size 个体大小 收藏 ...
Two type, commonly combination washer , or male cone screw cooperate with female cylindrical screw as Europe standard.
有两种，一般的组合垫圈，或者欧标用圆柱内螺纹配圆锥外螺纹。