NPT and Screwed bonnet的意思|示意
美 / /
英 / /
NPT和螺纹阀盖
NPT and Screwed bonnet的网络常见释义
内螺纹和带螺纹阀盖 ... Nominal Pressure 公称压力 NPT and Screwed bonnet 内螺纹和带螺纹阀盖 Non Rising Stem Single 暗杆楔式单闸板闸阀 ...