| 单词 | coal screen |
| 释义 | > as lemmascoal screen coal screen n. a screen or riddle for separating larger pieces of coal from smaller particles and coal dust; (also) a machine for this purpose. ΚΠ 1809 Ipswich Jrnl. 28 Oct. 3/3 (advt.) To be sold by auction... 25 sacks, corn and coal screens, set chaise harness,..and a variety of other articles. 1936 Brit. Med. Jrnl. 1 454/1 The Home Office was not in possession of any evidence that work on the coal screens gave rise to silicosis. 2002 Charleston Gaz. (Nexis) 24 Aug. State inspectors discovered..companies were operating three conveyor belts and two coal screens without applying for any emissions permits at all. < as lemmas |
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