单词 | push-pick |
释义 | > as lemmaspush-pick push-pick n. Brit. , U.S. ΚΠ 1848 G. F. Duckett Technol. Mil. Dict. (rev. ed.) 354 Sticheisen, sort of push-pick of miners. 1873 O. H. Ernst Man. Pract. Mil. Engin. i. v. 48 To conceal his own progress from the enemy, the miner dispenses with the pick, when the soil is favorable, and detaches the earth with the push-pick or with a broad flat chisel. 1917 Engineer Field Man. (ed. 5) v. 402 A pocket-shaped excavation is made with a push pick beyond the end of one of the side pieces and running back 3 or 4 inches into the side wall. < as lemmas |
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