annular liner 中文意思是什麼

annular liner 解釋
環形襯筒
  • annular : adj. 環的；環狀的，輪狀的，有環紋的。adv. -ly 環狀地。
  • liner : n. 1. （固定航線的）定期班；班機。2. 畫線者。3. 畫線的工具。4. （棒球中的）直球，平球。n. 1. 制襯里[襯墊等]的人；裝襯里[襯墊等]的人。2. 襯里；【機械工程】襯墊，套圈，襯套。
  1. These are fitted into the annular space between the cylinder and the cylinder liner, and are connected to the steam supply

    這是在鍋爐裏面使用高溫處理蒸汽和給氣缸增設蒸汽套共同作用的結果。
  2. 1. under the same kind of wall rock and the same condition, displacement of pipe liner is symmetry, for tunnel structure and suffered load are symmetry. as level terra stress is bigger, the maximum of displacement and the first main stress occur in tie - in of pipe liner structure, and its direction is radial and points in hole ; the direction of the third main stress is annular and its maximum occurs in top and bottom hole inner

    1 、同一類圍巖在同一種工況下，由於結構和荷載的對稱性，管片襯砌結構的位移也表現出對稱性，因水平向地應力較大，位移最大值、第一主應力的最大值發生在管片襯砌結構的接頭處，方向為徑向指向洞內；第三主應力的方向為環向，較大值發生在洞頂和洞底內側。
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