Commonly the dolomite crytals form a framework with evenly distributed porosity.通常白云石晶体构成格架,它有均匀分布的孔隙.Locally dolomite and anhydrite are important as cements , together with minor authigenic quartz.在局部地方白云石和硬石膏也是重要的胶结物;还...
The cirrhotic process obstructs the intrahepatic portion of the portal venous system.肝硬化使门脉系统的肝内部分受阻.The tourniquet should occlude venous and lymphatic return.止血带应阻断静脉及淋巴回流.The doctor kept telling him be ought to have th...
They had every qualification for success.他们具备获得成功的各种条件.The ability to impart knowledge and command respect is the essential qualification for teachers.具备传授知识并赢得尊敬的能力是对教师的基本要求。A degree is by no means an essential qualific...