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。
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