English ⇄ Chinese Danish Dutch Finnish French German Greek Italian Portuguese Russian Spanish Swedish +

loop back
tech.	回送; 返回
telecom.	环回; 数字环回; 数字环回测试

loop back : 28 phrases in 14 subjects

Aviation	1
Biotechnology	1
Computer networks	2
Electric machinery	1
Electronics	1
Figure skating	6
Information technology	3
Metallurgy	1
Oil / petroleum	1
Rail transport	1
Skydiving	2
Space	1
Technology	4
Telecommunications	3