普氏系數 的英文怎麼說

中文拼音 [pǔshìxìshǔ]
普氏系數 英文
protodyaknove's number
  • 普 : Ⅰ形容詞（普遍; 全面） general; universal Ⅱ名詞（姓氏） a surname
  • 氏 : 氏名詞1 （姓） family name; surname 2 （放在已婚婦女的姓后 通常在父姓前再加夫姓 作為稱呼） née : ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Rock formation classifying table based in proctor coefficient

    普氏系數巖石公級表
  2. For this reason, protodrakonov scale of hardness of the cobalt crust is measured by impact crushing test and factors affecting its crushability are analysed, providing the basis for designing crushing devices

    為此採用沖擊破碎試驗法測定了鈷結殼的普氏系數，並分析了影響其破碎強度的相關因素，為將來結殼破碎裝置的設計提供了依據。
  3. Wedge hob drill head is applicable for medium harden rock layer, coarse grain granite, and it has below 9 - grade drillability. the compressive strength is no more than 10 of pull coefficient

    楔齒滾刀鉆頭適合於中硬巖層，粗晶花崗巖，可鉆性9級以下，抗壓強度在普氏系數10 。
  4. Comb drill head is applicable for clay and cemented glutinite with 6 - grade drillability. the compressive strength is no more than 4 of pull coefficient

    梳齒鉆頭適合於粘土、膠結的砂礫巖層等，可鉆性6級以下。抗壓強度在普氏系數4 。
  5. Ball hob drill head is applicable for harden rock layer, fine grain granite, and it has below 9 - grade drillability. the compressive strength is no more than 15 of pull coefficient

    球齒滾刀鉆頭適合於堅硬巖層，細晶花崗巖，可鉆性9級以上，抗壓強度在普氏系數15 。
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