... centre line shrinkage || 轴线缩孔，中心线疏松 centre line survey || 线路中线测量 centre of buoyancy || 浮力中心 ...
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check survey of centre line 中线复测
·2,447,543篇论文数据，部分数据来源于NoteExpress
"Our own city centre survey of retail units from last October shows a vacancy rate of 17.4% which is in line with the national average, " said Mr McDonald.
BBC: Nottingham centre has 'most vacant shop space'
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