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该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Time consumption, productivity, and cost analysis of the motor manual tree felling and processing in
An empirical time study was conducted to evaluate the performance of the current felling and tree processing methods use......
在进行油锯采伐作业时,油锯手身体稳定性的好坏,既会影响作业效率和疲劳程度,又会影响人体的安全性,而稳定角是衡量身体稳定性的重......
通过对油锯手把的手传振动状况分析发现,国产油锯产品质量仍有待加强,提出了油锯手把的主动防振动保护措施及建议.......
