单词:balancing piston
单词:balancing piston 相关文章
今天我们要讲的美国习惯用语是:a balancing act。Balance的意思是平衡,act是行动。A balancing act从字面上来看就是平衡的动作,那就是体操运动员在平衡木上必须做到的,不保持平衡,他们就会摔
Ocean Floor Reveals Past Climate Changes Time capsule Lamont research professor Maureen Raymo, the director of the Core Repository, slides open a long, narrow drawer from the cabinet. Like thousands of others here, the drawer contains a long, thin cy
This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile
A group of senior students from Zhejiang University have successfully developed an air hand-washing device. 浙江大学的一队大四学生成功研制出了空气洗手装置。 The device utilizes an infrared ray induction system, which detects t