bow spring

短语词组

短语

• bow w spring centralizer 弓形弹簧扶正器
• bow -tupe spring 叠板弹簧
• bow w spring 弓形弹簧
• Bow -spring casing centralizers 弓形弹簧套管扶正器
• bow spring casing centralizer 弓形弹簧套管扶正器
• forward bow spring 前艏缆
• after bow spring 前倒缆;首倒缆
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