膠結砂礫巖 的英文怎麼說
中文拼音 [jiāojiēshālìyán]
膠結砂礫巖
英文
cement gravel-
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 。
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