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...
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...
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....