웹2016년 8월 5일 · In many railway projects supplying the appropriate ballast materials has encountered serious restrictions owing to the lack of qualified ore and also their long distance to the project’s site. With the development of steel industry, the quantity of production and accumulation of steel slag as a waste material has increased. 웹1일 전 · Guangzhou Saftty Electronic Technology Co., Ltd. specializes in R&D and distributing all kinds of thermal protectors which are widely used in battery packs, motors, pumps, ballasts, transformers ...
Words Ballast and Material are semantically related or have similar …
웹Ballast Magic will be especially useful when ballasting around points because it can be applied in a controlled manner without the risk of adhesive flowing into the working parts of a point. Its reversible nature means that if you position something that you later think is in the wrong location you can dampen the adhesive which will then release. 웹2024년 3월 21일 · BALLAST Meaning: "heavy material used to steady a ship," 1520s, from Middle English bar "bare" (see bare (adj.); in this… See origin and meaning of ballast. 顔 温める 家電
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웹Britannica Dictionary definition of BALLAST. [noncount] : heavy material (such as rocks or water) that is put on a ship to make it steady or on a balloon to control its height in the air — often used figuratively. His wife provided the ballast he needed in times of stress. [=his wife helped to keep him steady/stable in times of stress] 웹2024년 4월 8일 · Ballast definition: Ballast is any substance that is used in ships or hot-air balloons to make them heavier... Meaning, pronunciation, translations and examples 웹Ballast rock, which can also be called ballast stones, is a stone material that is primarily used in the construction of railroads, but also serves other useful construction purposes. The purpose of ballast rock is to provide stability while also allowing for easy drainage. Our 2-3” ballast stone is ideal for this type of construction. 顔 洗わない どうなる