The double and single pressure measuring instruments in the standard systems were developed specially for the measurement of pressure in vehicles with a compressed air brake.
用于标准系统双值和单值压力测量仪器，是为了满足带有压缩空气式制动器车辆压力测量，而专门研发的。
Double pipe with hydraulic brake system vacuum booster.
双管路液压制动系统带真空助力。
Tension setting out shall be employed and the tensioner shall be double-wheel and fully hydraulic type with hand brake .
采用张力放线，张力机采用双鼓轮式，要有手闸，全液压制动。
The double and single pressure measuring instruments in the standard systems were developed specially for the measurement of pressure in vehicles with a compressed air brake .
用于标准系统双值和单值压力测量仪器，是为了满足带有压缩空气式制动器车辆压力测量，而专门研发的。
In this paper, the domestic and foreign market situation and level of explosion-proof motors with double-speed and electromagnetic brake are analyzed firstly.
本文分析了该类电机国内、外市场状况及其水平，阐述了电机变极调速的方式与方法。
Aluminum anodic oxidation frame, soft cushion, foldable backrest, 6front caster and 20 'rear wheel, double brace, with handle brake, with safety belt.
车架阳极氧化，软座垫，靠背可折翻，6“前轮，20”后轮，双支撑，带后手刹，附安全带。
Aluminum anodic oxidation frame, soft cushion, foldable backrest, 6front caster and 20 'rear wheel, double brace, with handle brake, with safety belt.
车架阳极氧化，软座垫，靠背可折翻，6“前轮，20”后轮，双支撑，带后手刹，附安全带。
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