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Regarding the construction of underground continuous walls, the error is that () A. construction vibration is small, low noise B. not suitable for pebble formation C. high stiffness, excavation depth D. can be used as a subject knot

author：Two build fighting

Regarding the construction of the underground continuous wall, the wrong thing is ()

　　A. Low construction vibration and low noise

　　B. Not suitable for pebble formations

　　C. Large stiffness, large excavation depth

　　D. Can be used as part of the theme structure

unwell topic concerning noise ground floor depth coiled mistake
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