2) wire and wire rod
杆材和线材
3) tube and rod material
管杆材料
1.
In order to obtain the best anticorrosion method,experiment study of corrosive characteristics about tube and rod materials which are nitrified and untreated was made under different corrosive mediums and 80 centigrade temperature,the anti-corrosion effect of tube and rod under well was appraised.
为获取最好的防腐处理方法,在80℃和不同腐蚀介质的条件下,实验研究了氮化处理和不处理管杆材料的耐腐蚀性能,对管杆材料在井下的防腐效果进行评价。
5) material quality of bolt
锚杆材质
6) bolt material
锚杆材料
补充资料:螺杆捏和机
分子式:
CAS号:
性质:借助于螺杆的不断旋转,使物料在螺杆与料筒间受剪切作用而逐渐混合均匀的捏合机
CAS号:
性质:借助于螺杆的不断旋转,使物料在螺杆与料筒间受剪切作用而逐渐混合均匀的捏合机
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条