单词:DC high-speed circuit-breaker
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今天我们要学的词是 automatic。Automatic 自动的。semi-automatic rifle 半自动步枪。If the Congress doesn't take action soon, automatic spending cuts will take effect on March 1st. 如果国会不马上采取行动的话,政府削减
With a 3D printer, you can design your own item, either it's a cellphone cover or a 3D model of yourself, even something only exists in your imagination. But a high precision 3D printer has more practical application. Yao Junfeng is the general manag
Jeff went online. He looked at $99 printers. Canon had a Pixma MX410. It was an All-in-One printer. He read the reviews. They were good. Plus, the Pixma was reduced to $79. That would save him $20. It was 9 p.m. Saturday. He had just spent five hours
Jeff decided to try an older printer that he owned. He hadn't used it in a couple of years. He dusted it off. He inserted the installation disk. The disk started spinning. The software failed to install. He tried again. It failed again. He called HP
The printer was not even two years old. Suddenly it developed a mind of its own. On its own, the printer made six copies of nothing. On its own, the printer scanned a blank document. It was its own boss. Jeff was no longer in control. When Jeff click