sand control pump 中文意思是什麼
sand control pump
解釋
防砂泵-
Abstract : a new model of sand - control and wear - resistance pump is developed based on conventional deep well pump through improving some not - suitable construction and processing technology
文摘:防砂耐磨抽油泵是在傳統管式深井泵的基礎上,對某些不太合理的結構和加工工藝進行了改進和優化。
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