shaft wall

短语词组

短语

• shaft -wall 井壁
• cylindrical shaft retaining wall 管柱挡墙
• shaft in wall 井筒内壁
• shaft t wall 井壁砌壁
• vertical shaft inner wall construction 立井内壁施工
• water infiltration of shaft -wall 井壁渗漏
• cylindrical shaft wall 井壁筒
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