英语翻译Execution of Loss of Pressure Manhole,in reinforced concrete,covers in cast iron with hydraulic sealing that may occasionally be lowered to make the same finishing of the floor they are part of,all according with the detail.

英语翻译Execution of Loss of Pressure Manhole,in reinforced concrete,covers in cast iron with hydraulic sealing that may occasionally be lowered to make the same finishing of the floor they are part of,all according with the detail.
英语翻译
Execution of Loss of Pressure Manhole,in reinforced concrete,covers in cast iron with hydraulic sealing that may occasionally be lowered to make the same finishing of the floor they are part of,all according with the detail.

英语翻译Execution of Loss of Pressure Manhole,in reinforced concrete,covers in cast iron with hydraulic sealing that may occasionally be lowered to make the same finishing of the floor they are part of,all according with the detail.
压力损失的,在钢筋混凝土、人孔盖在铸铁和液压密封,偶尔可能会降低到地板上,他们是对的,所有符合细节.机器翻译,自己凑合着看一看