mean hydraulic depth 平均水力深度
hydraulic depth control 液压耕深控制
hydraulic mean depth 水力平均水深
depth regulation hydraulic lift 耕深调节液压起落机构
Hydraulic drawworks consists of roller, wire line system, depth metering device, handle panel, hand device, etc. It has simple frame and is convenient to operate.
液压绞车首要由滚筒、排缆系统、计深装配、操作面板、手摇装配等构成，该设备具有布局简单，操作容易等特性。
Rapid hydraulic tamper, compared with traditional tamper, bring advantages such as higher impact energy, greater effect depth and higher control flexibility.
快速液压夯实机与传统的夯实设备相比，具有夯击能量高，影响深度大，机动灵活的优点。
The normal depth plays an important role in hydraulic calculation.
明渠恒定均匀流正常水深在水力计算中十分重要。
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