| 单词 | pointing-wire |
| 释义 | > as lemmaspointing-wire ΚΠ 1850 Ordnance Man. for Use of Officers (U.S. Army Ordnance Dept.) (ed. 2) 339/1 (table) For each mortar: 1 sponge and rammer... 2 pointing wires. 1875 E. H. Knight Pract. Dict. Mech. Pointing-wire, an iron wire with a loop at one end, used for sighting mortars by, when the proper line of fire has once been found. < as lemmas |
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