| 释义 |
self-deˈlivery
[self- 4.]
Automatic delivery: a. by a reaping-machine of the corn in swaths or sheaves; b. of a pattern from the mould in founding. Also attrib. So self-deˈliverer, a self-delivery reaping-machine; self-deˈlivering ppl. a.
1864Trans. Highl. Soc. Jan. 133 The self-delivering machinery now consisting of a series of four (formerly six) rakes attached to an upright shaft in such a manner as to admit of a free ascending, descending, and horizontal motion. Ibid. 143 Of the self-delivery reapers, Crosskill's Bell did its work most satisfactorily. 1908Chamb. Encycl. VIII. 596/1 [Reaping-machines] delivered by mechanical labour, or self-deliverers. 1908J. G. Horner Encycl. Pract. Engin., Self-Delivery, the delivery of a pattern from the mould without requiring the use of cores. |