求翻译：根据该工程的基础特点，周边环境和地质条件，从经济、安全、可行的原则出发，确定本基坑采用上部放坡，下部双排钢板桩结合一道钢管支撑的形式进行支护。是什么意思？

The basis of characteristics of the project, the surrounding environment and geological conditions, starting from the principle of economy, security, viable, to determine the pit with the upper slope, the lower part of double steel sheet pile combined with a steel pipe support in the form of support

Based on the works of the surrounding environment and features, geological conditions, from the economic, security, sound principles, from the pit on the top of the slope, and double-coated steel with a pile of steel pipe supports for the support form.

According to this project foundation characteristic, the peripheral environment and the geological condition, from the economy, the security, the feasible principle embarks, upside determined this hole excavated for building foundation uses puts the slope, lower part the two-row steel sheet pile uni

According to the basic characteristics of the project, the surrounding environment and geological conditions, from an economic, safe and feasible in principle, determining the upper slope of Foundation pit, lower double-row steel sheet pile with steel pipe support in the form of support.

正在翻译，请等待...