英文: Stem Cell falls into embryo stem cell and aduit stem cell.
中文: 干细胞分为胚胎干细胞和成体干细胞。英文: Stem – machined stem has a backseat design.
中文: 阀杆-经过机加工的阀杆具有后座结构。英文: Stem – precision machined stem has a backseat design.
中文: 阀杆-精加工阀杆配置后座结构。英文: Stem bearing to assure concentric stem rotation, allowing stem packing to provide maximum sealing effectiveness.
中文: 阀杆轴承保证同轴阀杆的旋转,使得阀杆填料具有最大的密封效果。英文: Mouse spermatogonial stem cells and embryonic stem cell-like cells
中文: 小鼠精原干细胞与胚胎干细胞样细胞