Hydraulic lifting unwinding rack, equipped with auto tension and computer deviation correcting system.
液压提升放卷架并配有自动张力及电脑纠偏系统。
The system automatically calculates deviation coefficients for correcting deviation when ship gets alongside the wharf.
该系统还可自动计算出自差系数，用于船靠码头时校正罗经自差。
The system automatically calculates deviation coefficients for correcting deviation when ship gets alongside the wharf.
该系统还可自动计算出自差系数，用于船靠码头时校正罗经自差。
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