screw-jack

常见例句

双语例句

• The micro motion drive unit is a highly refined screw-driven hydraulic jack .
  微形传动装置是一个极精制的螺杆用液压作动筒。
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• The screw jack can the long-term support heavy item, the greatest lifting capacity amount to 100 tons, the application is broad.
  螺旋千斤顶能长期支持重物，最大起重量已达100吨，应用较广。
• From falls screw jack's thread non-self-locking action, is loaded with the brake.
  自降螺旋千斤顶的螺纹无自锁作用，装有制动器。
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