求翻译：承包商应完全清除和销毁现有供水线路，在大小不同的深度，恢复和长途批准商店现有铸铁配件管道，管件，阀门。作品应符合条款207.07.5和203.12的一般规格和工程师的指示，应包括所有必要的开挖和回填材料与批准。是什么意思？

The Contractor shall be completely removed and the destruction of the existing water supply lines, depth in different sizes, recovery and long-distance approval shops existing cast iron fittings pipes, fittings, valves. The works shall comply with the Terms 207.07.5 and 203.12 of the general specifi

Contractor shall be fully cleared and the destruction of existing water supply line in a different size, depth, and the rehabilitation and long-distance approval shops existing cast iron pipe fittings, pipe, valve. Entries should be in accordance with clause 5 207.07 and 203.12 of the general specif

The contractor should eliminate and the destruction existing water supply line completely, in the size different depth, restores with the long-distance authorized store existing cast iron fitting pipeline, the fitting, the valve.The work should conform to provision 207.07.5 and 203.12 general specif

Contractors should be completely clear and the Elimination of existing supply lines, in the depths of different sizes, recovery and long existing approved shop fittings of cast iron pipes, fittings, valves. Works should conform to the General specifications of the 207.07.5 and 203.12 articles and th

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