单词	lifetime of system
释义	lifetime of system 系统的寿命
随便看	welded contact welded contact rectifier welded-contact rectifier welded corner joint welded crossing welded diaphragm welded disc rotor welded disk rotor welded drum welded dyke wel-dede welded element welded encapsulation welded ends welded eye welded fin tube welded fissure welded fitting welded flange welded flat head welded frame welded frog welded gasket weld edge weld -edgewise 社稷兴旺，匹夫有责社稷戚于亲社稷无常奉，君臣无常位社鼠不可熏去。社鼷不灌，屋鼠不熏社鼷不灌，屋鼠不燻祀兹酒。祁奚举子，义不务私。祖坟上冒青烟祖宗不足法鈴蘭鈴虫鉄鉄鉄しき鉄ちゃん鉄は熱いうちに打て鉄シキ鉄チャン鉄人