1) under-membrance vacuum degree
膜下真空度
1.
Based on actual construction of Xing-Tai expressway, the effects on under-membrance vacuum degree are analyzed in detail caused by sand layer, bagged sand drain .
以新台高速公路实际施工情况为背景 ,较详细地分析了地基中砂层、袋装砂井深度、排水滤管布置形式及路基填筑等对膜下真空度的影响 ,并在施工过程中不断改进 ,取得了比较满意的结
3) vacuum dropping speed
真空下降速度
1.
This paper raises the dynamlc mathematical model for vacuum pressure of condenser during turbine vacuum dropping test, and analyses the relationship between air leakage flow and vacuum dropping speed during test.
本文建立了凝汽器在真空严密性试验工况时排汔压力的动态数学模型，分析了凝汽器真空下降速度与漏入空气量之间的关系，并对真空严密性试验的工作程序提出了修改意见。
4) altitude capsule
高度计膜盒;真空膜盒
6) down draft constant-vacuum carburettor
下吸式等真空度化油器
补充资料：降膜式真空浓缩设备
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条