lower bench 中文意思是什麼

lower bench 解釋
下臺階
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的，低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • bench : n 1 長凳，條凳。2 船上的坐板；座，架，（木工、鉗工等的）工作臺；【礦物】（煤礦的）臺階，（礦的）...
  1. Ore area locate on, silver factory ditch - ancient tomb ditch in west branch river set lower bench, stratigraphic succession, rock assemblage are different with circumference. most is a set of intraclast congeries silica rock. in search of it, its distribution range in the silver factory ditch - ancient tomb ditch

    礦區所在部位銀廠溝?古墓溝一帶，西岔河組下段地層中，地層層序、巖石組合特徵與周邊地區存在明顯的差異。主要為一套內碎屑堆積的硅質巖。
  2. Bench - type ultra - precision numerical control milling machine not only has the merits of lower cost and easily controlled machining environments, but also has the improvements of some capability in the condition of proper designing

    臺式超精密銑床不僅成本低、易於控制加工環境，合理設計能夠使性能在某些方面有所提高，能降低小型高精度零件的成本並提高其加工精度。
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