自喷采油时,井筒的原油在()的推举下沿井筒向上运动。 ["油流上升力","天然气膨胀","油层压力","剩余油层压力"]
应用研究具有实际的应用价值,它所要回答的问题是()。 ["“为什么”","“是什么”","“怎么样”","“将会怎么样&rdquo"]
温室观赏植物
现有: class Thread2 implements Runnable { void run() { System.out.print("go "); } public static void main(String [] args) { Thread2 t2 = new Thread2(); Thread t = new Thread(t2); t.start(); } } 结果为:() [" go"," 编译失败"," 代码运行,无输出结果"," 运行时异常被抛出"]
用低应变检测时,对于嵌岩桩,桩底时域反射信号为单一反射波且与锤击脉冲信号同向时,应如何处理() ["可判为IV类桩","可判为III类桩","应采取钻芯法、静载试验或高应变法核验桩端嵌岩情况","可判为桩身完整"]
INA牵伸