1 . the class of connection head : explosion - proof exd 1 .接线盒等级：隔爆型exdbt
2.
1 . the class of connection head : explosion - proof exd 1 .接线盒等级：隔爆型exdbt
3.
Explosion - proof class of connection head : explosion - proof exd 3接线盒等级：隔爆型exdbt
4.
2 . explosion - proof class of connection head : explosion - proof exd 2 .接线盒等级：隔爆型exdbt
5.
Applicable water - proof and explosion - proof connection head . explosion - proof class is exd D可采用防水式防爆接线盒，防爆接线盒防爆等级
6.
Exd ct1 t4 63 355 specification of flameproof three phases asynchronous motor part 4 : series yb2 flameproof exd ct1 t4 three phases asynchronous motor frame size 63 to 355 隔爆型三相异步电动机技术条件.第4部分: yb2系列隔爆型
