Việt
sự nứt
Anh
puffing
first blow
first puff
preblowing
Đức
Puffen
Vorblasen
Pháp
perçage
first blow,first puff,preblowing,puffing /INDUSTRY,INDUSTRY-METAL/
[DE] Puffen; Vorblasen
[EN] first blow; first puff; preblowing; puffing
[FR] perçage
sự nứt (của tinh thể)