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Water seepage loss index per unit time is now widely accepted as a quality test and appraisal method. 采用往設(shè)備基礎(chǔ)內(nèi)注滿水，以單位時間內(nèi)的滲失水指標(biāo)，作為質(zhì)量檢驗和質(zhì)量判斷方法之一，已經(jīng)相當(dāng)普遍。