self-elevating substructure
... 自生长石增长：authigenetic feldspar overgrowth 自升式底座：self-elevating substructure 自身能说明的：self-explanatory ...
基于56个网页-相关网页
... self-elevating drilling platform 自升式钻井平台 self-elevating platform 自升式平台 self-elevating substructure 自升式底座 ...
基于8个网页-相关网页
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