名词闭塞，密闭
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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. obturation什么意思
1. The astronaut will have to adjust the size of the suit and test its obturation and functions after donning the suit.