短語(yǔ)詞組短語(yǔ)wash -boring method 沖水鑽孔法rotary wash -boring equipment 鏇轉(zhuǎn)式水沖鑽孔設(shè)備Wash Boring Method 水振沖countercirculation -wash boring method 反循環(huán)洗井鑽井法Boring wash 水沖鑽探 返回 wash boring