词汇	seal circle
释义	seal circle 坐回环
随便看	monitor strategy monitor stress monitor subscriber Monitor Sub-Station monitor supervision monitor supervisor monitor supervisory control monitor swapping characteristic monitor switch monitor switching bay monitor switch power supply monitor system monitor system component monitor system components monitor system for safety monitor system of air conditioner monitor system of precision seeding-machine monitor system on line Monitor systems monitor systern monitor table monitor tank monitor tank drain pump monitor target monitor task