put under seal的意思|示意
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英 / /
密封
put under seal的网络常见释义
封 ... break (/take off) a seal 在…上盖印；保证、批准 put a seal on (or upon) 开封、启封 put under seal 封、加封蜡（或铅）于…上 ...
put under seal相关例句
In some special occasions for metal hard seal butterfly valve seal put forward higher request, must be two-way under pressure.
在一些特殊场合对金属硬密封蝶阀的密封提出了更高的要求，必须双向承压。