名词闭塞，密闭
1. 闭塞, 密闭：artilleryman 炮兵, 炮手 | obturation 闭塞, 密闭 | nihard 镍铬冷硬铸件, 含镍耐磨铸铁
2. 闭塞：obturate 闭塞 | obturation 闭塞 | obturator 填塞器
3. 填塞：obstructive thrombus 阻塞性血栓 | obturation 填塞 | obturator 充填体
4. 充塞：obturatingcup 密封碗 | obturation 充塞 | obturator 充塞物 紧塞具 气密装置 障塞器 闭孔器 填充体
1. The astronaut will have to adjust the size of the suit and test its obturation and functions after donning the suit.