词汇	bench coacher
释义	bench coacher 临场教练员
随便看	direction of laying direction of learning direction of light direction of loop direction of machine travel direction of magnetization 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