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preservable adj.可保存[保管、保護]的;可儲藏的。

preservation

Abstract : requirements for hydraulic steering rack cylinder are very high , the rack cylinder should be durable , lubricants preservable and of seal . so , finish machining and parameter - set are necessary 文摘:液壓轉向機對齒條桿部表面有很高的耐磨、儲油、封存要求,為此需要一套表面超精加工工藝及加工參數設定。