internal thread 内螺丝 ; [机] 内螺纹 ; 阴螺纹

internal thread broaching machine [机] 内螺纹拉床

internal thread grinding machine [机] 内螺纹磨床

CNC grinder for internal thread 数控内螺纹磨床

internal thread gauge 内螺纹规

Taper pins with internal thread 内螺纹圆锥销

internal rope thread 内圆牙螺纹

cylindrical pin with internal thread 内螺纹圆柱销

internal thread protector [油气] 内护丝

taper internal thread 斜内螺纹