短語詞組短語supporting ideas of course 課程支撐理念foundation supporting course 基礎(chǔ)持力層piles tip supporting course 樁端持力層choice of supporting course 持力層選擇thickness of supporting course 持力層厚度supporting course of pile bottom 樁端持力層network course supporting platform 網(wǎng)絡(luò)課程支撐平臺 返回 supporting course