词汇	resting mark
释义	resting mark 停息痕
随便看	mechanical exhaust system of ventilation Mechanical expander mechanical expanding mechanical expansion mechanical expansion joint mechanical expansive bit Mechanical experiment mechanical experiment in vitro mechanical experiments Mechanical experiments of senior high school mechanical expiratory flow volume curve mechanical explanation mechanical exploration mechanical expression mechanical extraction mechanical extrusion mechanical fabrics mechanical face seal mechanical face seals mechanical facilities mechanical facility mechanical factor mechanical factor of merit Mechanical factors mechanical factors bone changes