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Improvements in systems for the engagement of excavations and land sustainability (Machine-translation by Google Translate, not legally binding)
Improvements in systems for the engagement of excavations and land sustainability (Machine-translation by Google Translate, not legally binding)
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机译：改进挖掘系统和土地可持续发展的系统（由Google翻译进行机器翻译，不具有法律约束力）
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摘要
Modifications in a system of excavations and sustainment of land. Consistent in: conforming to the plates (1) metalic by embutition and with political irregular guidelines that have sections in bridge (2) united by curved segments (3); build the stretches in puetne (2) in the form of arcos de boveda (4) of canon continued by inclined strikes and form the machine or resistant material by a succession of unit bovedas of absorption of efforts and total absence of sliding plans when left embuched the plate (1) with the concrete. (Machine-translation by Google Translate, not legally binding)
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