我在牙医那里拿了一本关于牙齿保健的免费小册子.I picked up a free booklet on tooth care at the dentist's.国际循环: 初级保健的实施是否真的有障碍?International Circulation: Is it a real obstacle in this primary care setting?你是否听说了医疗保健的最新发展动态?Have you heard ab...
The diaphragm vibrates , thus setting the air around it in motion.膜片振动,这使得周围的空气也动荡起来.The diaphragm draws air into the lungs.横膈膜向下运动让空气进入肺部.A portion of the cardia is demonstrated above the diaphragm.膈上发现部分贲门....
This pneumatic tool will double the speed of assembly.这个气动工具可以把装配速度提高一倍.Light kernels may be removed by a pneumatic or air seperator.轻的籽粒可以通过空气动力,即气流分选机清理出来.We replaced hand picks with pneumatic picks and electric drills...