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密闭式
auto. hermetic type
hydroel.st. shell-type
tech. closed type; enclosed type; shell type
密闭式
: 105 phrases in 21 subjects
Agriculture2
Animal husbandry2
Automobiles3
Aviation8
Business2
Chemistry1
Computers1
Construction1
Electric machinery3
Electronics6
Explosives and Explosive Ordnance Disposal1
Metallurgy5
Mining1
Oil / petroleum6
Oil processing plants1
Plastics2
Refrigeration2
Scuba diving1
Space1
Technology55
Textile industry1