body stem seal
常见例句
- A backup stem seal for a gate valve retains pressure in the body when the valve is in the closed position.
一种用于闸阀的备用阀杆密封件，其在所述阀处于闭合位置时保 持阀体内的压力。
ip.com - They stripped cells from a donated trachea, used it to replace the entire length of the damaged airway, and then used the child's own bone marrow stem cells to seal the airway in the body.
他们剥离捐赠者气管的细胞，用这些细胞置换全部损毁气道，然后利用患儿自身骨髓干细胞在体内重构气道。 返回 body stem seal