单词	tier pressure-cooker
释义	tier pressure-cooker 要多层压力锅
随便看	direction of management direction of manoeuvring operation direction of maximum principle stress direction of measurement direction of mechanical distortion direction of modification direction of motion direction of movement direction of national spirit direction of observation direction of operation direction of optical axis direction of orientation direction of passage direction of plane direction of plastic strain increment direction of play direction of plumb-line direction of pointing and tracking direction of polarization direction of President direction of prevailing wind direction of primary motion direction of principal axis direction of principal component