bottom joint

短语词组

短语

• bottom articulated joint 底部铰接缝
• bottom induced joint 诱导底缝
• upstream bottom -joint 上游底缝
• Bottom Upset Joint 下端外螺纹连接
• bottom chord joint 下弦接头
• bottom -joint 诱导缝
• bottom tool joint 下方接头
• bottom m joint 水平节理
• oblique grinding bottom joint 斜对接接头
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