Brand:JYXC
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The features:
1.Two corebarrel 2,Internal have a bulldozing
3.Collarring with R-chisel
Soil :
1.Rock andbackfill stratum

The features:
1.Two corebarrel 2,Internal have a bulldozing
3.Collarring with R-chisel
Soil :
1.Rock andbackfill stratum

