A structure,usually made of stone,or cement pilings,which extends from the bank at approximately right angles to the current is called a().
It’s reported that by the end of this month the output of cement in the factory ______ by about 10%.
A structure,usually made of stone,or cement pilings,which extends from the bank at approximately right angles to the current is called a().
It’s reported that by the end of this month the output of cement in the factory ______ by about 10%.
When loading or discharging dry mud or cement,crew members should use facial respirator masks and().
It’s reported that by the end of this month the output of cement in the factory ______ by about 10%.
When loading or discharging dry mud or cement,crew members should use goggles and().
CFG桩是CFG桩水泥粉煤灰碎石桩的简称(即cement fIying-ash gravel pile)。
高速铁路板式无碴轨道,填充于轨道板与混凝土基础或梁之间的一种弹性、缓冲材料称为CA砂浆,即水泥(cement)沥青(asphaltum)砂浆。
高速铁路板式无碴轨道,填充于轨道板与混凝土基础或梁之间的一种弹性、缓冲材料称为CA砂浆,即水泥(cement)沥青(asphaltum)砂浆。