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密封气体
 密封气体
el. seal gas
| 注入
 注 入
met. implantation
 注入
desert. inflow
dril. bullheading; feed
environ. immission
met. impregnation; pouring-in
mining. injected

to phrases
密封气体
el. seal gas
met. sealing gas
密封气体
: 24 phrases in 7 subjects
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