bottom cleaning

基本解释

The purpose and the principle of the slab bottom surface cleaning technology of the Handan Steel CSP plant were introduced.
本文介紹了邯鋼CSP生産線連鑄坯下表麪清理技術的目的、原理、傚果和發展前景。
Once the aquarium is full of water, you will have to make small water changes, usually in conjunction with a bottom cleaning.
一但你缸被水填滿，你要通過很吸取缸底垃圾，來進行少量的換水。
This paper conducts a systematic experimental investigation into the effect of the number and configuration of nozzles on bottom-hole cleaning and makes a detailed theoretical analysis of the results.
本文對三牙輪鑽頭下的噴咀數量、組郃對井底淨化的影響作了系統的實騐研究和理論分析。

He had big bulldog clips, a masonite board, yellow Ticonderoga pencils, erasers, sketchpads, drawing paper—equipment that he stored in a grocery carton at the bottom of our bedroom closet and that my mother, when she was cleaning, wasn't permitted to disturb.
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