Release date:
2016
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04
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26
·The pipeline1.slot construction craft, according to the construction site environment, the groove depth, the underground water level, soil condition, construction equipment and seasonal influence factors such as comprehensive selection.2.groove bottom width of dispute, in accordance with the groove depth, ground water, soil conditions and easy to operate, these provisions empty groove width table can be used for reference in the involved, the construction unit.3.underground water level is higher than the chamfered bottom elevation, when construction must take effective measures to underg...