Ringelmann

常见例句

The incomers Herr Ringelmann the clockmaker and his apprentice Karl, stamped their boots and shook the snow off their greatcoats.
走進屋裡的是鍾表匠林格梅和他的學徒卡爾，衹見他二人一邊抖落長外套上的雪花，一邊蹭掉靴子上的泥濘。
In view of existing the problems the author put forwdrd that varied Ringelmann numbers and their limited time lasting should be drawed up .
指出了制訂各級林格曼數及其排放持續時間的限制標準和監測技術槼範的基本設想;
The advance of the technology of Ringelmann Number monitoring on boiler smoke - dust were intoduced and reviewed simply .
評述了鍋爐菸塵林格曼數監測的技術進展及存在的主要問題;
Ringelmann black degree
林格曼黑度級
ringelmann smoke blackness
林格曼黑度
Ringelmann chart
林格爾曼圖