我公司疏浚抓斗采用日本技术，滑轮轴承采用迷宫式密封，大大提高了抓斗的使用寿命。
Our company adopts Japanese technology, Using labyrinth seal, pulley bearing and makes the time of use longer.
我公司疏浚抓斗采用日本技术，滑轮轴承采用迷宫式密封，大大提高了抓斗的使用寿命。
Our company adopts Japanese technology, Using labyrinth seal, pulley bearing and makes the time of use longer.
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