?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
13517265237 18071095505
2、基坑沟槽钢板桩的支护^面布|Ş状应量q直整齐Q避免不规则的{角,以便标准钢板桩的利用和支撑设|。各周边寸量复合板装模数?