pre-production stage 制前阶段
Pre Stage Work 前期工作
pre-stage test 前期试验
pre-stage work 前期工作
pre-stage driver 前置级驱动器
pre-primary stage 基础前期
pre-lexical stage 前词汇阶段
Pre-stage hot pipe air preheater 前置级热管空气预热器
Pre-reading stage 读前阶段 ; 前期阅读阶段 ; 阅读前
Project agree the light, project pre-stage feasibility analysis, market analysis.
项目洽淡、项目前期可行性分析论证、市场分析。
The set takes Roots pump as its main pump and spinning vacuum pump as pre-stage pump.
本机组采用罗茨泵作为主泵,以旋片式真空泵作为前级泵。
In between, an electromagnetic vacuum inflation valve is installed in series, which opens and closes with the switch of the pre-stage pump.
在前级泵与主泵中间串联一个电磁真空充气阀,随前级泵开关而启闭。
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