AIR-POWERED 'GOPHER' SAVES UTILITY TIME, MONEY.

被引:0
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作者
Toler, Gerald
机构
来源
Pipe Line Industry | 1979年 / 50卷 / 02期
关键词
CONSTRUCTION EQUIPMENT - GAS PIPELINES - TUNNELS AND TUNNELING - Missouri;
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中图分类号
学科分类号
摘要
The author reports that Springfield, Mo. , City Utilities' Gas Department has found a missile-shaped underground piercing tool to be an effective and economical method of tunneling under road surfaces. The article describes the tool operation method, and discusses how it is being used.
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页码:55 / 56
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