A na-eji Model GGQH casing scraper kpochapụ ciment fọdụrụnụ na clod na mgbidi dị n'ime nke casing, burr na akpịrịkpa emepụtara n'oge a na-atụgharị, mgbo inset na mgbidi casing mgbe ọ na-eduzi mgbochi mgbochi ájá, na nchara ígwè, nha mmiri na paraffin siri ike na mmepụta nke ọma casing. , na ndị ọzọ ...
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