Việt
đê
Anh
secondary stone dust barrier
stone dust zone
Đức
Hilfssperre
gesteinstaubzone
wandersperre
Pháp
barrage auxiliaire
zone de poussierage
zone de schistification
gesteinstaubzone,hilfssperre,wandersperre /ENERGY-MINING/
[DE] gesteinstaubzone; hilfssperre; wandersperre
[EN] secondary stone dust barrier; stone dust zone
[FR] barrage auxiliaire; zone de poussierage; zone de schistification
Hilfssperre /f =, -n/
đê [kè, đậpl tạm thôi, đê quai; -