... 封口;封印;密封 seal 串入开关seal in switch 封环 seal ring ...
双语例句
1
Special designed of control switch and strip type gun with increase seal device, it could guarantee not seep or leak adhesive, strict control result in waster on account of leak adhesive.
专业设计的控制开关和点状枪体增加密封装置，保证不渗胶或漏胶，严格控制由于滴胶所造成的废品。
2
The Juve director now believes that a completion of those talks is close with Vieira set to seal a switch back to Serie A, where he has played before in an ill-fated spell at Milan.