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.
走进屋里的是钟表匠林格梅和他的学徒卡尔，只见他二人一边抖落长外套上的雪花，一边蹭掉靴子上的泥泞。
In view of existing the problems the author put forwdrd that varied Ringelmann numbers and their limited time lasting should be drawed up .
指出了制订各级林格曼数及其排放持续时间的限制标准和监测技术规范的基本设想;
The advance of the technology of Ringelmann Number monitoring on boiler smoke - dust were intoduced and reviewed simply .
评述了锅炉烟尘林格曼数监测的技术进展及存在的主要问题;
Ringelmann black degree
林格曼黑度级
ringelmann smoke blackness
林格曼黑度
Ringelmann chart
林格尔曼图