文语站关于gritstone的文学精选
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![gritstone造句]( "gritstone造句")
gritstone造句
Thegreyishgreengritstonehadundergonetheactionofdeep-seatedreducingheatfluidduringitsrock-formingprocess.Acidicaggregatesuchasgneiss,graniteandgritstonecannotbewildlyusedinroadconstructionbecauseofthep...
