Gb: ọkwa nchedo ngwaọrụ
T6: The okpomọkụ otu bụ T6, na kacha elu okpomọkụ nke akụrụngwa bụ ihe na-erughị 85 ℃.
C: Klas IIC ngwaahịa, ọdabara na Klas IIA, IIB, IIC gas ma ọ bụ uzuoku gburugburu
2: Klas II akụrụngwa, eji na ndị ọzọ mgbawa gas gburugburu ma e wezụga coal mine
E: Usoro nchebe inyeaka na-abawanye nchekwa "e"
d: Usoro nchebe bụ isi bụ ụdị ọkụ "d"
Ọmụmaatụ: Ngwa eletrik maka ikuku ikuku na-agbawa agbawa
MarstNchekwa Equipment (Tianjin) Co., Ltd, Rita, bradia@chinawelken.com, 86-17827611689
Oge nzipu: Feb-17-2023
