山地冰川波动的原因和机制_stmopen 关键词】: 物质平衡 冰川波动 高度结构 [gap=868]Keywords】: mass balance,glacier fluctuation,altitude structure
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low altitude airway structure 低空航路结构
industrial structure altitude 产业结构高度
altitude of employment structure 就业结构高度
altitude of production value structure 产值结构高度
The characteristics of large span, complex structure and part cantilever in Qingdao Gymnasium result in construction difficulties about handling frame of steel grid frame at high altitude.
青岛体育馆工程跨度大、结构形式复杂、部分悬挑等特点，导致高空钢网架结构操作架的施工难度大。
The main influential factors are altitude, aspect, temperature and precipitation, lithological characters and structure and relief.
对寒冻风化作用的主要影响因素有海拔、坡向、温度和降水、岩性构造及地形条件等。
The structure and principle of new type high altitude extracting core working vehicle for heat exchanger was discussed.
论述了新型换热器高空抽芯作业车的结构原理。
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