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超高真空
 超高真空
avia. ultra high vacuum
el. extreme vacuum
met. ultra-high vacuum
space ultra-high-vacuum
 | 系统
 DPA系统
pest.contr. DPA System
 F系统
rem.sens. F system
 PELV系统
el.mach. PELV system
 SELV系统
el.mach. SELV system
 TN-C 系统
IT TN-C system

to phrases
超高真空 chāogāo zhēnkōng
avia. ultra high vacuum
el. extreme vacuum
met. ultra-high vacuum
space ultra-high-vacuum
tech. ultrahigh vacuum
超高真空
: 40 phrases in 9 subjects
Aviation2
Chemistry1
Electronics15
General1
Geophysics1
Metallurgy1
Oil processing plants2
Space2
Technology15

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