Bedis贝迪斯bedn.床；基座；底层；河床；花坛；苗圃；地层v.安置；发生性关系bedding pile中和料场Beddoe order[法] 贝多法令bed pan rack床便器放置架bedded chert层状硅质岩bed-ridden卧床不起的bed pressure床压bed thinning煤层变薄bed-curtain帐帷bed occupancy床位占有率bedding value地基系数