... atmosphere", GB3836.2-2000 "electrical apparstus for explosive atmospheres, and explosion-proof electeical equipment“d”, "Rules for Steel Sea Ship ... operation, well anticorrosive, strongly capable of resisting swing, vibrstion and shocking.StructureThere are three structural types: type I (deck type ... be made into III tyoe structure, i.e, the tan and the motor are put in different cabins, with a driving ...