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on course
avia.	在航道上; 巡航
econ.	在途中; 在进行中; 在航线上
row.	在航; 在航行中
sail.ships	航行中
on-course
gen.	在航线上的

on course: 60 phrases in 19 subjects

Air defense	3
Architecture	1
Astronautics	1
Automobiles	2
Aviation	7
Construction	1
Electronics	1
Exhibitions	1
Finances	1
General	11
Golf	1
Metallurgy	4
Nursing	1
Shipbuilding	1
Space	3
Sports	1
Technology	14
Textile industry	1
United Nations	5