Та мессежээ энд үлдээж болно, бид танд шууд имэйл илгээх болно.
The grinding circuit is the largest capital investment of your processing plant. Depending on the grindability of your orebody, abrasion will cause a certain amount ...
SBB''s steel glossary is great for finding the definition for any steel term associated to the industry.
Energy Information Administration EIA Official Energy Statistics from the Government