单词:gummed piston ring
单词:gummed piston ring 相关文章
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
Gum虽然是个只包括三个字母的简短的词,但是它的意思可不少。比方说,gum可以指嘴里嚼的口香糖,或者是像口香糖那样粘胶似的物质。这时gum是名词,然而gum也可能是动词。 Gum up the works 把