| 单词 | lattice-mast |
| 释义 | > as lemmaslattice-mast lattice-mast n. ΚΠ 1924 Harmsworth's Wireless Encycl. II. 1274 Lattice mast, term used to describe a tall, composite structure for the support of a lofty aerial. This type of construction is carried out in both wood and metal... Such a mast is triangular in section, and comprises essentially three upright members held together by tie bars of metal and braced by diagonal bracing of stout timber. 1928 A. Williams Telegr. & Telephony xxi. 282 An aerial is carried by five 28-ton lattice masts, 287 feet high, each resting on four legs bolted to 20-ton concrete blocks. 1948 R. de Kerchove Internat. Maritime Dict. 399/1 Lattice mast, steel mast constructed of riveted structural steel shapes or lattice work. < as lemmas |
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