Việt
bánh răng mặt bao
trục vít mặt bao kép
trục vít globoit
Anh
enveloping tooth wheel
double-enveloping worm
Đức
Globoidschnecke
Globoidschnecke /f/CT_MÁY/
[EN] double-enveloping worm, enveloping tooth wheel
[VI] trục vít mặt bao kép, bánh răng mặt bao, trục vít globoit