vertical ladder 中文意思是什麼
vertical ladder
解釋
豎梯-
The process of political modernization and the dividing of the increasing maturity of the political practice had made the 21st century political science in a cross - wise structure division and vertical ladder - shape division development
政治現代化進程和政治生活領域日益成熟的現代分化,使得21世紀的政治學不斷呈現出縱向梯次分化和橫向結構分化的發展態勢。 -
Safety standard for wood portable vertical ladder
移動式木直梯安全標準
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