well type tempering electric furnace
... 井管滤管 well tube filter 井式回火电炉 well type tempering electric furnace 矿井绞车 well winch ...
vertical pit-type tempering electric furnace
vertical pit-type gas carburizing furnace:井式气体渗炭炉 vertical pit-type tempering electric furnace:井式回火电炉 vertical pit-type tempering resistance furnace:井式回火电阻炉 ..
vertical pit-type tempering resistance furnace ; pit type tempering resistance furnace