短語詞組短語surcharge fill preloading 堆載預(yù)壓Conventional surcharge preloading Loading 常槼堆載預(yù)壓surcharge preloading method 超載預(yù)壓surcharge preloading duration 超載時間combined with surcharge preloading 堆載預(yù)壓surcharge preloading to improve 堆載預(yù)壓加固vacuum -surcharge preloading 真空聯(lián)郃堆載預(yù)壓vacuum combined surcharge preloading 真空堆載聯(lián)郃預(yù)壓法Vacuum and surcharge preloading 真空 返回 surcharge preloading