布石车箱
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spreader box beam 喷洒器箱横梁
spreader box tender 吊具箱看管者
manure spreader box 厩肥
v-shaped spreader box v形摊铺箱
capacity of spreader box 撒肥机肥料箱容量
square-shaped spreader box 矩形摊铺箱
box spreader 箱式摊铺机 ; 详细 ; 箱式石料摊铺机
box-hopper spreader 箱斗式分布机
spreader control box 喷洒器控制箱
The advanced hoisting technique and control method of prefabricated box girder over sea including spreader gear design, floating crane improvement and transport barge have been expounded in details.
详细阐述了预制箱梁海上新的吊装工艺和控制方法，包括吊具设计、浮吊改造、运输驳改造。
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