Việt
van có mặt tựa côn
Anh
valve with conical seat
seating
supporting surface
thrust face
Đức
Ventil mit konischem Sitz
Ventil mit konischem Sitz /nt/TH_LỰC/
[EN] valve with conical seat
[VI] van có mặt tựa côn
valve with conical seat, seating, supporting surface, thrust face