下承层的英文

• support layer/subgrade surface

• "下"英文翻译    below; down; under; undernea ...
• "承"英文翻译    bear; hold; carry
• "层"英文翻译    I storey; tier; stratum
• "支承层" 英文翻译 :    supporting bed
• "下承拱" 英文翻译 :    through arch
• "下承梁" 英文翻译 :    through beam; through girder
• "下承桥" 英文翻译 :    through bridge
• "继承层次" 英文翻译 :    inheritance hierarchy
• "分解继承层次" 英文翻译 :    tease apart inheritance
• "合并继承层次" 英文翻译 :    collapse hierarchy
• "继承层次结构" 英文翻译 :    inheritance hierarchy
• "提取继承层次" 英文翻译 :    extract hierarchy
• "性质继承层次" 英文翻译 :    property inheritance hierarchy
• "穿式桥，下承桥" 英文翻译 :    through bridge
• "膝下承欢" 英文翻译 :    the children give delight to their parents
• "下承板梁" 英文翻译 :    half-through girder; through plate girder
• "下承梁桥" 英文翻译 :    through girder bridge
• "下承式桥" 英文翻译 :    through bridge
• "下承式桁架" 英文翻译 :    through truss
• "下承行车路" 英文翻译 :    roadway below
• "下承钣梁" 英文翻译 :    through plate girder
• "下承钣梁桥" 英文翻译 :    through plate girder bridge
• "矮桁梁下承桥" 英文翻译 :    half-through bridge
• "水下承压外壳" 英文翻译 :    submarine pressure hull
• "膝下承重支具" 英文翻译 :    below-knee weight-bearing brace

• Preparation for construction : the surface of the under layer should be even and firm , and in accordance with the design requirement , without loose material and flaccid site , and need to reroll 2 3 times within full - width range of the subgrade with vibrating roller before the construction , as well as test the compaction and defecting , to check whether there is unqualified point in the soil base
  施工准备：施工前下承层表面要平整、坚实，符合设计要求，无松散材料和软弱地点，施工前要用振动压路机在路基全宽范围内复压2 3遍，同时进行压实度及弯沉检验，检查土基中是否有不合格点。