polyconic

常見例句

• In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.
  文章介紹了一種新型小尺寸鉆頭，它主要由一個(gè)偏置的多錐形牙輪和一個(gè)圓柱形滾輪及兩個(gè)牙掌組成。
• modification polyconic projection
  改良多圓錐投影
• rectangular polyconic projection
  正交多圓錐投影
• world polyconic grid
  世界多圓錐投影坐標(biāo)方格
• ordinary polyconic projection
  普通多圓錐投影
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