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未密封
 未密封
gen. elearance leakage
| 间隔
 间隔
hydroel.st. spacing; span; separation; space
IT blank
met. interstice
row. compartment

to phrases
未密封
gen. elearance leakage
oil unsealing
未密封
: 8 phrases in 7 subjects
Automobiles1
Drilling1
Electronics1
General1
Hydroelectric power stations2
Metallurgy1
Technology1