查询词典 engineering chemistry

School of Chemistry and Chemical Engineering, Changsha 410083, China

中南大学化学化工学院，湖南长沙， 410083

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266001, China

中国海洋大学化学化工学院，青岛 266003

School of Chemistry and Chemical Engineering , Nanjing University, Nanjing, Jiangsu 210093, China

南京大学化学化工学院，江苏南京 210093

College of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China

南京大学化学化工学院，江苏南京210093

College of Chemistry and Chemical Engineering, Ocean University of Qingdao, Qingdao 266003, China

中国海洋大学化学化工学院，青岛 266003

College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing 100049, China

中国科学院研究生院化学与化学工程学院，北京100049

College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China

南京工业大学化学化工学院，江苏南京 210009

College of chemistry and molecular engineering, peking university, beijing 100871, china

作者单位：北京大学化学与分子工程学院，北京 100871

College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China

湖南大学化学化工学院，湖南长沙，410082

School of Chemistry and Environmental Engineering, China University of Mining and Technology, Beijing 100083

中国矿业大学北京校区化学与环境工程学院，北京100083

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。