hand-operated valves 中文意思是什麼

hand-operated valves 解釋
手動閥
  • hand : n 漢德〈姓氏〉。n 1 手;(猴子等的)腳;(一般四足獸的)前腳。2 (鐘表的)指針,(工具等的)把,...
  • operated : 被操作的
  1. Hydraulically and hand - operated wedge gate valves - technical condition

    液動手動楔式閘閥技術條件
  2. Most are manually operated valves ( by hand ) or mechanically controlled ( pressure / vacuum or float level )

    大部分為手動閥門或機械控制閥(壓力/真空或浮子度) 。
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