短語(yǔ)詞組短語(yǔ)pile start -up 反應(yīng)堆啟動(dòng)pile make -up yard 接莊場(chǎng)地pile set -up process 成樁工藝pile -up pulse 累積脈沖;脈沖堆積massive pile -up 多車追尾 返回 pile-up