extra check coarse pitch thread的意思|示意
美 / /
英 / /
额外检查粗螺距螺纹
extra check coarse pitch thread的网络常见释义
超粗牙螺纹 ... coarse plain thread 粗牙普通螺纹 extra check coarse pitch thread 超粗牙螺纹 unified coarse thread 统一标准粗牙螺纹 ; 统一粗牙螺纹 ...