()是老空水的特征。 ["气味发臭;","气味正常;","水味微甜;","水味微苦;"]
俗名
程序: class MyDate{ private int year; private int month; private int day; public MyDate(int year,int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==new MyDate(1980,11,9) 返回true,必须在Override Method处覆盖哪个方法?() [" hashCode"," equals"," toString"," notify"]
环境教育课程有两种典型的组织模式:()模式和()模式。
以下描述正确的是()。 ["IC厌氧系统属于外循环","IC厌氧反应器属于第三代高效厌氧反应器","厌氧反应器污泥接种的方式,污泥接种主要有加泥口和冲洗水","添加污泥首选用的污泥泵是螺杆泵"]
爆破进尺