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operating test
 operating test
tech. 操作试验
| of
 of
gen. ; …的; 关于 …的; …做成 的; 对…; … 的
| emergency switching
 emergency switching
el. 紧急断电
| device
 device
tech. 装置
| for
 for
gen.
| ventilator
 ventilator
hydroel.st. 通风机
| in
 in-
anim.husb.
| engine room
 engine room
navig. 机舱

to phrases
operating test
tech. 操作试验
wind. 运行试验
operating test of emergency switching device for ventilator in engine room
: 36 phrases in 8 subjects
Aviation2
Economy1
Electric machinery2
Electronics7
Shipbuilding9
Space4
Statistics2
Technology9