| 释义 |
nonˈleaded, ppl. a.
[f. non- 6 + leaded ppl. a. e.]
Of petrol: containing no added tetraethyl lead to counteract ‘knocking’.
1955Sci. News Let. 22 Jan. 54/1 The best way to remove carbon monoxide from auto fumes appears to be the use of nonleaded gasoline and a catalytic converter, Dr. W. L. Faith, chief engineer of the Southern California Air Pollution Foundation, said. 1971McGraw-Hill Yearbk. Sci. & Technol. 212 The two most desired types of gasoline components for nonleaded gasolines are highly branched paraffins and the common aromatic components such as benzene, toluene, and xylene. 1971J. D. Roberts et al. Org. Chem. iii. 58 The manufacture of engines capable of running on nonleaded gasoline is also being undertaken. |