pre-existing rock：先成巖石

pre-existing microcrack 預(yù)先存在的微裂縫 | pre-existing rock 先成巖石 | pre-existing topography 原有地形

pre-existing fractures：原生裂縫

pre-excavated pipeline trench 預(yù)挖的管溝 | pre-existing fractures 原生裂縫 | pre-existing microcrack 預(yù)先存在的微裂縫

pre-production：試制

pre-processing 預(yù)先加工 | pre-production 試制 | pre-programmed 預(yù)定程序的

pre-production meeting：拍制前會(huì)議

pre-lite 預(yù)先排演 | pre-production meeting 拍制前會(huì)議 | pre-production stage 制前階段

pre-production phase：試采階段

pre-processing error 預(yù)處理誤差 | pre-production phase 試采階段 | pre-punch 預(yù)先穿孔

pre-Raphaelite：拉菲爾前派的

pre-exist vt. 先存在 | pre-Raphaelite 拉菲爾前派的 | pre-requisite 首要事

pre-recorded tape：預(yù)錄帶

"pre-read head","前讀頭" | "pre-recorded tape","預(yù)錄帶" | "pre-selection","預(yù)選"

pre-requisite：必要事物

pre-release 預(yù)釋放 | pre-requisite 必要事物 | pre-requisiteprerequisite 首要事物

Pre echoes：預(yù)回聲

Pre-delay 預(yù)延遲 | Pre echoes 預(yù)回聲 | Pre emphasis 預(yù)加重

Pre echoes：預(yù)回聲RSf電子技術(shù)吧

Pre-delay 預(yù)延遲RSf電子技術(shù)吧 | Pre echoes 預(yù)回聲RSf電子技術(shù)吧 | Pre emphasis 預(yù)加重RSf電子技術(shù)吧