hollow-brick meaning in English

空心砖

Surface , the easliy wear and tear parts use grinding - resistant material , extruding part use variable cylinder diamethe extruder with compact structuures , transmission gear with hard gear ter detachable pitch , great extruding p0ressure , high vacuum degree , low loading capacity ( electricity - saving more than 25 % than the same product ) . it reaches advanced domestic level andcan replace imported items . it is suitable to produce hollow brick with high hole ratio , coal waste rock hollow bricks , shale hollow bricks , prower coal ash hollow - bricks . the extruder won the scienttific and technological progress pride of the lst building material scientific and techniques achievement exhibition in jiangsu province and the golden prize of the mational brick and tile energy - saving lxln achievement
该机结构紧凑、传动齿轮均系硬齿面,易损件采用耐磨材料、挤出部分采用变缸径、变螺距、挤出压力大、真空度高,装机容量低(比同类产品节电25 % ) ,性能优于进口同类设备,适用生产高孔洞率空心砌块、煤矸石、页岩、精煤灰空心砖及各类高掺入量粉煤灰砖和低塑性原料砖，该机在江苏省首届建材科技成果展览会科技进步奖； 94全国砖瓦节能四新成果展览会金奖，西安国际博览会金奖。