three ply

常見例句

Three ply sandwiched base, heating evenly.
三層復合底，受熱均勻。
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The system adopts three-ply structure model, according the user colonies, it is divided into three sub-systems for students, teachers and system administrators.
本系統采用三層體系結構，并按照用戶群體：學生、教師和系統管理員，將系統劃分成三個子系統。
In the design of Shaan Jing gas pipeline, in the light of the concrete condition and the overall technical and economic contrast, three ply PE external anti corrosion layer has been adopted.
陜京天然氣輸氣管線設計中，結合管線的具體情況和所進行的全面技術、經濟對比，選用了三層PE外防腐層。