cross holes with connecting thread
Mounting holes with threaded flange 安装有螺纹孔法兰 Cross holes with connecting thread 十字孔的螺纹连接 Mounting holes with O-ring sealing 孔安装带O型密封 ..
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cross holes with connecting thread
带连接螺纹的十字孔
以上为机器翻译结果，长、整句建议使用 人工翻译 。