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line maintenance
 line maintenance
auto. 在路线上的技术维护
avia. 航线维修; 外场维护
| test
 test
gen.

to phrases
line maintenance ['laɪn'meɪnt(ə)nəns]
auto. 在路线上的技术维护
avia. 航线维修; 外场维护
tech. 线路维修
line maintenance test
: 50 phrases in 18 subjects
Automobiles3
Aviation8
Business2
Communications2
Computer numerical control3
Economy1
Electric machinery1
Electronics8
Exhibitions1
Metallurgy4
Oil / petroleum1
Reliability2
Selective breeding1
Space2
Technology2
Telecommunications6
Textile industry1
United Nations2