pren
美
英 
- 網(wǎng)絡Pitting Resistance Equivalent Number; 點蝕當量; 點蝕當量數(shù)
例句
Pren specializes in design, manufacture and sale of valve in the HVAC water system for years.
公司主要從事中央空調(diào)類水系統(tǒng)閥門的設計、生產(chǎn)和銷售。
Pren type electric cables for aircraft
飛機用普蘭式電纜