英语词汇“dark smoke”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

dark smoke n. smoke which equals or exceeds a particular degree of opacity established by law.Typically set at level 2 on the Ringelmann scale (see Ringelmann n.).

ΚΠ

1910 Engin. Rec. 6 Aug. 143/1 Another noteworthy feature is the Ringelmann chart system for grading smoke densities, so that the term dark smoke will have more significance under the new, than under the old act.

1958 Times 31 May 3/7 The Clean Air Act 1956 will be fully in force to-morrow, and it will be an offence punishable by fine to emit dark smoke from any chimney in England and Wales.

2014 South China Morning Post (Nexis) 5 Sept. (Opinion & Insight section) 14 It is an offence for any local vessel in the waters of Hong Kong to emit dark smoke that is as dark as, or darker than, Shade 2 on the Ringelmann Chart.

单词	dark smoke
释义	> as lemmas dark smoke dark smoke n. smoke which equals or exceeds a particular degree of opacity established by law.Typically set at level 2 on the Ringelmann scale (see Ringelmann n.). ΚΠ 1910 Engin. Rec. 6 Aug. 143/1 Another noteworthy feature is the Ringelmann chart system for grading smoke densities, so that the term dark smoke will have more significance under the new, than under the old act. 1958 Times 31 May 3/7 The Clean Air Act 1956 will be fully in force to-morrow, and it will be an offence punishable by fine to emit dark smoke from any chimney in England and Wales. 2014 South China Morning Post (Nexis) 5 Sept. (Opinion & Insight section) 14 It is an offence for any local vessel in the waters of Hong Kong to emit dark smoke that is as dark as, or darker than, Shade 2 on the Ringelmann Chart. extracted from darkadj. < as lemmas
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