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  • thickness of coal seam造句

    thickness of coal seam造句

    1、thicknessofcoalseam2、Thecoalandgasoutburstbecamemoreandmoredangerousalongwiththethicknessofcoalseamchangingandincreasing.3、thick-layerapttooxidationtypecharacterizedbylargethicknessofcoalseamandl...

  • welding seam造句

    welding seam造句

    Inspectionweldingseamanddimensionofcargohatchcover.Also,improvetheoverlappedlengthofthetailframeandtheframeandchangetheweldingseamintointermittentseam,thereforetheframestrengthcanbeeffectivelyincrease...

  • seam with造句

    seam with造句

    PlowabilityofplowminingonthinandsoftcoalseamwithhardroofPutshreddedPekingscallionandshreddedonionontobeefslices.Roll.Fixtheseamwithcornflour.Improvingthepenetrabilityofsoftcoalseamwithself-excitedosci...

  • inclined seam造句

    inclined seam造句

    Integratedtechnologyforfullymechanizedtopcoalcavingminingfaceinsteepinclinedseamwithhardroof,softfloorandsoftcoalAccordingly,thedistributionofabutmentpressureontheblockcoalpillarismeasuredatworkingfac...

  • seam welding造句

    seam welding造句

    1、Analysisandcountermeasuresofoverproofoftheedgedeviationofweldinglineincircularseamweldingofboilerdrum2、Thefixingandsealingmaychooseamongparallel-seamwelding,brazewelding,glass-melting-sealingandre...

  • coal seam造句

    coal seam造句

    1、Explorationevaluationcoalseamgasisabaseofcoalseamgasexplorationanddeveloping.2、CoalseamcorrelationandcharactersofcoalseamineasterndepressionofLiaohebasin3、coalseamwaterinjection4、thicknessofcoal...

  • thick seam造句

    thick seam造句

    Thehandsofalovingmotherline,wanderingontoclothing.Departurethickseam,Italymaydelayreturn.Whomadetheheart-inchgrass,reportedathreeChunhui.Theapplicationofahighproductionandefficientminingtechnologyinsp...

  • circular seam造句

    circular seam造句

    Coalsareremovedfromcircularseamofsilosothatmaterialsectionisincreasedandsilocoalblockageisreduced.Analysisandcountermeasuresofoverproofoftheedgedeviationofweldinglineincircularseamweldingofboilerdrum...