well strainer 中文意思是什麼
well strainer
解釋
襯管-
Several kinds of methods for repairing wells using u - pvc strainer pasted gravel are introduced in this paper. the advantages of this technique are showed through a repairing well experiment in the daqing district
摘要介紹了u - pvc塑料貼礫濾水管井中二次成井的幾種方法;以大慶地區的試驗為例,說明該技術的優越性。
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