drainage hole的相關(guān)資料：
臨近單詞
drainagetube
drainage
drainage opening botanical garden
drainage and irrigation equipment
drainage for pulmonary depression
drainage via incising lateral neck
Drainage of lacrimal gland abscess
drainage and reduction of pressure
Drainage of abdominal wall abscess
Drainage of pancreas by anastomosis
drainage system planning and design
drainage during construction period
