nitrogen blanket nitrogen case hardening nitrogeneous nitrogen fixation nitrogen ligand nitroglycerin leakage nitroglycerol nitro group nitro-hydrochloric acid nitrolacquer nitrometer nitron nitronium nitronium ion nitroparaffins nitrophoska nitroso group nitrosonium nitrososulphuric acid nitro-sulphuric acid |
nitrogen blanket азотен покриващ слой Търсената дума е намерена |