shirt tail 中文意思是什麼

shirt tail 解釋
牙松鉆頭體
  • shirt : n. 1. （男式）襯衫。2. （仿男式的）女用襯衫。3. 內衣；汗衫。
  • tail : n 1 尾巴。2 尾狀物，垂下物；（西服的）垂尾，燕尾；〈pl 〉燕尾服。3 辮子；風箏尾巴。4 末端；結尾，...
  1. His hands was long and thin, and every day of his life he put on a clean shirt and a full suit from head to foot made out of linen so white it hurt your eyes to look at it ; and on sundays he wore a blue tail - coat with brass buttons on it

    雙手又長又細。他這一輩子，每天穿著一件干凈襯衫，從頭到腳的一套服式是細帆布做的白色西裝，白得簡直刺眼睛。每逢星期天，總是穿一身藍色的燕尾服，鈕扣是黃銅的。
  2. The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc

    大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。
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