Fully - sealed sample piece is one of important parts of leak detection equipment and its leakproofness directly affects accuracy of measurement.
“全密封样件”是压力型泄漏检测装置的重要组成部分之一，其自身的密封性直接关系到整个装置的测量精度。
The sample still sits on a bookshelf in the office, sealed with a strip of yellow tape.
该样品仍然在办公室中的书架里，被用黄色的胶带密封了起来。
A duplicate sample shall be sealed after inspection.
检验后须封存一份复样。
Bulk grain sample can be achieved from sealed pipes by automatic preset and local manual modes in accordance with customer's demands.
系统能根据用户要求采用自动定时和人工即时方式从封闭的管道中采得散状物料的样品。
Bulk grain sample can be achieved from sealed pipes by automatic preset and local manual modes in accordance with customer's demands.
系统能根据用户要求采用自动定时和人工即时方式从封闭的管道中采得散状物料的样品。
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