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temporary supporting
 temporary supporting
expl. 临时支护
| structure
 structure
gymn. 编排; 成套动作
hydroel.st. 结构物; 建筑物
hydroel.st. од. 结构; 构造; 装置
met. 机构
met. од. 组织

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temporary supporting

expl. 临时支护在掘进工作面,为了作业安全而进行的临时性支护
temporary supporting
: 1 phrase in 1 subject
Rail transport1

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