胆囊手术史
History of gallbladder operation
腹部手术史
history of abdominal operation
A history of abdominal surgery
abdominal operation
history of abodominal operation
科学技术史
history of science and technology
history of science & technology
History of Chinese Science and Technology
Technology
科学技术史教学
the teaching of science and technology history
历史前瞻性调查
Historical perspective cobort survey
农业技术史
The History of Agriculture Technique
history of agricultural technology
盆腔手术史
history of pelvic surgery
上腹部手术史
upper abdominal region operation history