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试验运行
avia. experimental run; test run
车辆试验运行行驶
auto. demonstration run
试验运行
: 87 phrases in 21 subjects
Automobiles10
Aviation4
Communications2
Compressors2
Earth sciences3
Economy1
Electric machinery3
Electronics16
General2
Hydroelectric power stations2
Information technology1
Metallurgy1
Nautical2
Oil processing plants1
Rail transport4
Shipbuilding1
Space4
Sports3
Technology21
Telecommunications1
Wind Energy3