1. | 密封 Character -... ... 封山[ seal(or close)a mountain pass] 密封[ seal off (up);seal airtight;close] 同本义[ boundary] ... www.chinese-tools.com|基于14个网页 |
2. | 严密地封闭 airtight... ... 2. airtight shaft seal: 气密轴封 3. seal airtight: 严密地封闭 1. airtight seal: 气密 | 空气密封 | 密封包 ... www.showxiu.com|基于3个网页 |
