hard-rock drilling 中文意思是什麼

hard-rock drilling 解釋
硬巖層鉆井
  • hard : adj 1 硬的,堅固的 (opp soft)。2 (身體)結實的;(組織等)健全的。3 (問題、工作等)困難的,費...
  • rock : n 1 巖,巖石,磐石,巖壁;卵石;〈常 pl 〉〈美口〉石子兒;暗礁,巖礁。2 〈the R 〉直布羅陀 (Gibr...
  • drilling : n 1 鉆孔;【礦物】鉆井;〈pl 〉鉆屑,鉆粉。2 操練,訓練。n 【農業】條播。 ridge [furrow] drilling...
  1. Colloidal particles are formed in considerable amounts in hard-rock drilling and blasting operation.

    在硬巖石鉆孔和爆破作業中,大量地生成膠體粒子。
  2. Impregnated drillbits are suitable for drilling in the broken rock formation with f 8 - 12, and soft hard, hige dense, strong grinding skidding rock formation

    孕鑲鉆頭適用於f 8 - 12級破碎巖層軟硬互層及堅硬緻密的強研磨性巖層打滑巖層的鉆進。
  3. Skin impregnated drillbits are suitable for drilling in the medium - hard rock formation with f 6 - 10

    表鑲鉆頭適用於f 6 - 10機中硬及堅硬巖層的鉆進
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