gravel pack 中文意思是什麼

gravel pack 解釋
礫石充填
  • gravel : n 1 〈集合詞〉砂礫,礫石。2 【地質學;地理學】砂石,礫。 gravel bed 礫層。3 【醫學】尿砂。vt (〈...
  • pack : vt 安插[挑選]自己人充任(委員等);拉攏,收買。 pack a committee 糾集自己人充實委員會。pack cards...
  1. The metal wheels ground the gravel with a sharp grating cry and the pack of blunt boots followed the barrow along a lane of sepulchres

    金屬軲轆磨在砂礫上,發出尖銳的嘎嘎聲。一簇靴子跟在手推車後面踏出鈍重的腳步聲,沿著墓叢間的小徑走去。
  2. Recommended practice for gravel pack of sand control of the naked hole

    裸眼井礫石充填防砂推薦作法
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