... junction region 结区 junction seal结保护 junction side-wall 结侧壁 ...
双语例句
1
Path size, if too large, the junction is very difficult to install and seal.
如果通径尺寸过大，连接部的安装和密封十分困难。
2
Please put the completed Form 26, together with any further reports required, into this envelope. Please seal it and place your signature or rubBer stamp over the junction of flap and envelope.