| 单词 | tempering-bath |
| 释义 | > as lemmastempering-bath attributive and in other combinations, as tempering-bar, tempering-bath, tempering-furnace, tempering-machine, tempering-screw, tempering temperature, tempering-wheel: see quots. ΚΠ 1823 J. Badcock Domest. Amusem. 138 The fusion is to be raised to the tempering height. 1825 ‘J. Nicholson’ Operative Mechanic 668 The tempering screw..is..added to keep the waggon in its proper situation, in whatever way the spring of the weighing machine may be acted upon by the friction. 1864 Webster's Amer. Dict. Eng. Lang. Tempering color, the shade of color that indicates the degree of temper in tempering steel. 1877 E. H. Knight Pract. Dict. Mech. Tempering-furnace,..one specially contrived for imparting an equal heat to the articles to be tempered. 1877 E. H. Knight Pract. Dict. Mech. Tempering-machine, one for handling heavy steel plates during the operations in tempering. 1877 E. H. Knight Pract. Dict. Mech. Tempering-wheel, a device for..tempering clay for making brick, etc. 1891 Cent. Dict. Tempering-oven, in glass-manuf., an annealing-oven used after the melting-oven. 1910 Encycl. Brit. XIV. 808/1 The higher the tempering-temperature, i.e. that to which the hardened steel is..reheated, the more is the molecular rigidity relaxed. 1967 A. H. Cottrell Introd. Metall. xx. 384 Higher tempering temperatures may be used, thereby improving the toughness of the steel. < as lemmas |
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