短語詞組短語underwater bored concrete pile 水下混凝土灌注樁Underwater mixing concrete 水下絮凝混凝土underwater bored concrete 水下混凝土灌注underwater nondispersive concrete 水下不分散混凝土underwater unscattered concrete 水下不離析混凝土underwater pouring concrete 水下灌注混凝土underwater immersed concrete pieces 水下沉排underwater casting concrete 水下澆筑混凝土underwater reinforced concrete members 水下鋼筋砼構件 返回 underwater concrete