单词:piston ring joint
单词:piston ring joint 相关文章
Dear Annie: My girlfriend and I have been together for three years. When we first started dating, Mary unexpectedly became pregnant and we now have a beautiful child who is our life's joy. I would like to ask Mary to become my wife. Here's the proble
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a visit to the planet Mercury. We will tell about the dangers of products for making skin lighter. And, w
Dear Annie: My girlfriend and I have been together for three years. When we first started dating, Mary unexpectedly became pregnant and we now have a beautiful child who is our life's joy. I would like to ask Mary to become my wife. Here's the proble
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
A highway that is expected to further integrate Beijing and neighboring Hebei province is close to completion, China's top economic planner said. 据中国最高经济规划部门表示,一条有望进一步连接北京和河北的高速公路即将完