shearer造句
AndertonshearerloaderUndergroundminingmachines-Mobileextractingmachinesattheface-Safetyrequirementsforshearerloadersandploughsystems.Desiringtounveilthemysteryhiddenfromallages,Thouwastledasasheeptoth...
AndertonshearerloaderUndergroundminingmachines-Mobileextractingmachinesattheface-Safetyrequirementsforshearerloadersandploughsystems.Desiringtounveilthemysteryhiddenfromallages,Thouwastledasasheeptoth...