您要查找的是不是：
- Graphite is the widest and most quantity materials used in the machine seal parts. 石墨是用焦碳粉和石墨粉或加碳黑做基料，用沥青为粘结剂，经模压成型在高温下烧制而成的。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The seal has worn and the machine is losing oil. 密封处已经磨损，机器漏油了。
- Oil feeds into the machine through this tubing. 油经过这个管子流入机器。
- You may stop the machine by pushing this button. 按下这个按钮你就可以关掉这个机器。
- Just press the button and the machine will start. 只要一按电钮，机器就会开动。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The machine feeds back everything you need to know. 这架机器可以把你所需要知道的全部材料再提供出来。
- 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 stops and starts at a touch. 这机器一触即可停止或开动。
- Have oiled the machine, he begin to run it. 他把机器上了油之后便开始开动。
- The machine started up with a roar. 机器一声轰鸣开动了。
- I pieced out the machine with scrap parts. 我用破铜烂铁拼成了这台机器。
- The machine only accepts 10p coins. 这机器只收10便士的硬币。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- The machine, however, failed on its trial run. 但这部机器的试车失败了解。
- Take the machine on trial fora week. 把这机器试验一星期。
- Please demonstrate how the machine works. 请示范机器的使用方法。
- The machine is being experimentally used. 这些机器正在被实验地使用着。
- John, is this the right way to operate the machine? 约翰，这是操作这台机器的正确方法吗？
