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平原区人抬钻地震勘探劳动定额
Labor quota of seismic prospecting with hand-lift drilling in plain area
价格:¥0.00
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长输管道敷设工程劳动定额
The labor quota of longdistance pipeline construction
价格:¥0.00
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石油通信设备安装工程劳动定额
Labour quota of petroleum communication equipments installation
价格:¥0.00
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