砂礦井采 的英文怎麼說

中文拼音 [shākuàngjǐngcǎi]
砂礦井采 英文
placer mining
  • : 名詞(沙子) sand; grit
  • : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
  • : Ⅰ名詞1 (從地面往下鑿成的能取水的深洞) well 2 (形狀像井的東西) sth in the shape of a well 3 (...
  • : 采名詞(采地) feudal estate
  • 礦井 : [采礦工程] mine; pit; grube; groove; shaft; wheal; underground mine
  1. Odium silicate is used as adhesive in metal casting, fireproof material, paper board, electric welding material, crt screen ; as water purifying agent, scale remover ; as washing aid. buffer in detergent ; as sealant in oil drilling ; as ore flotation agent, slurry thinner and leakage - blocking material in mining ; as bleacher aid, mordant, sizing material, impregnating agent in textile dye & printing ; as anti - corrosion agent and insecticide in wood processing ; as basic ingredient for coatings

    硅酸鈉被大量地用於製造工業作為填充劑,在金屬澆鑄中作為型粘結劑,版紙工業中被用作膠合劑,在耐火材料行業中用作粘結劑,在電焊條行業也用作粘結劑,在電子工業中可用作顯像管成屏的粘結劑,在水處理中用作處理劑,防結垢劑等。在合成洗滌劑行業中用作助劑,在清洗劑行業中用作清洗及防腐緩沖劑,在石油開中用作防止噴材料,在山開發中用作堵漏材料、石浮選劑和泥漿稀釋劑等。
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