无液式气压表真空膜盒无液的不装水银的  Aneroid

不装水银②无液气压表  Aneroid

无液的无液气压计  Anemometer

水银真空泵  mercury vacuum pump; mercury pump; mercury vapor diffusion pump; mercury air pump; pump; mercury vacuum

水银真空表  mercuric vacuum gauge; mercury vacuum gauge; mercurial vacuum gauge

水银真空计  mercury vaccum gauge; mercury vacuum ga(u)ge; mercury vacuum gage; gauge; mercury vacuum

真空盒的测试  The test of vacuum chamber

真空膜盒  Capsule; vacuum bellows; Aneroid; bellows

薄膜真空脱气机  film type vacuum deaerator

低真空空气测微仪  low vacuum air micrometer

电容薄膜真空计  Acetylglutamate

复合凝结水真空除氧器  compound condensing water vacuum deaerator

复合凝结水真空式除氧系统  composite condensate vacuum deaerator system

高真空装置  high-vaccum installation

管内真空的深井井点  vacuum deep wellpoint

基于仿真的装备管理  simulation based material management

集热管的真空开管装置  vacuum opener for all-glass evacuated collector tubes

节水真空厕所  water-thrifty vacuum toilet

冷剂水真空度  vacuum degree