M " electrical apparatus for explosive atmospheres encapsulated electrical apparatus " m 浇封型电气设备
2.
Electrical apparatus for explosive atomspheres - encapsulated electrical apparatus " m 爆炸性环境用防爆电器设备浇封型电器设备" m
3.
Parts which can ignite an explosive atmosphere are embedded in casting compound so that the explosive atmosphere cannot be ignited 将可能点燃爆炸性混合物的部分浇封在复合物中,使它不能点燃周围的爆炸性气体。