Anh
twin
twin crystal
twinned crystal
Đức
Doppelkristall
Kristallzwilling
Zwillingskristall
Pháp
cristal jumeau
mâcle
cristal jumeau,mâcle /INDUSTRY-CHEM,ENG-ELECTRICAL/
[DE] Doppelkristall; Kristallzwilling; Zwillingskristall
[EN] twin; twin crystal; twinned crystal
[FR] cristal jumeau; mâcle