您要查找的是不是：
- The machine is working O. 那部机器运转良好。
- The machine is worked by wind power. 这台机器是以风力推动的。
- The machine is worked by electricity. 这机器是电动的。
- The machine is working none the worse for its long service. 这部机器并不因使用的时间长而性能变差了。
- The machine is used to rip up the documents. 这台机器使用来搅碎旧布并为织出新布提供纤维的。
- The machine is being experimentally used. 这些机器正在被实验地使用着。
- The machine is in good working order. 这台机器运转良好。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- The machine is now in working order. 机器现在运转良好。
- The machine is at work smoothly. 机器正在平稳地运转。
- The machine is working O. K. 那部机器运转良好。
- The machine is unsafe because of the defects in it. 这台机器不安全，因为其中有毛病。
- Please note how the machine is operated. 请注意机器的操作方法。
- The seal has worn and the machine is losing oil. 密封处已经磨损，机器漏油了。
- The machine is operating continuously. 那台机器一直在不停地运转。
- The machine is in running order. 这台机器运转正常。
- To check if the mask is working OK, change the "BG" layer background to any other color but white. 为了检查一下蒙板是否正常，在背景层里更换除白色以外的任何颜色。
- The machine is not operating properly. 机器运转得不正常。
- The machine is exposed to the wind and rain . 这台机器经受风吹雨打。
- The machine is still under warranty. 这台机器仍在保修期内
