求翻译：1. 基坑挖土过程中挖机施工时不得碰触钢支撑杆件、钢立柱、工程桩，避免影响工程桩质量，确保基坑安全。是什么意思？

The construction of a foundation pit excavation process to dig machine not to touch the steel rod, steel column, pile, to avoid the influence of pile quality and ensure the safety of pit.

1.- The excavated pit dug in the construction process may not be touch steel support rods, steel columns, to avoid affecting the piles piles quality works to ensure that pit security.

1. The hole excavated for building foundation excavates earth in the process digs machine when the construction does not have to bump touches the steel support member, the steel column, the project pile, avoids affecting the project pile quality, guarantees the hole excavated for building foundation

1. when drilling machine construction in Foundation pit excavation process shall not touch steel support rod, steel columns, piles, to avoid affecting the quality of engineering pile, ensure the safety of pit.

Project management unit