问题:要经常掌握造球机工作情况,勤与()和()联系沟通。及时增开或停止...
Monday, September 12, 2022
Tuesday, July 25, 2023
问题:采用双层布料烧结法,烧结料层下部含碳量明显高于上层。()...
Sunday, September 11, 2022
问题:测得某造球机所产生球粒度分级情况为<8mm为100g,8-16mm为2750g,>16mm为150g,求其8-16mm所占比例(即合格率)是多少?...
Saturday, January 28, 2023
问题:混合机是连续工作的,因此应将混合机安置一定的()。...
Saturday, March 16, 2024
Wednesday, May 24, 2023
问题:在小球烧结技术中,有两项不同于普通烧结技术的工艺分别是(),()()()。...
Saturday, March 16, 2024
Wednesday, May 24, 2023
问题:要经常掌握造球机工作状况,勤与()联系沟通,及时增开或停止球盘。...
Monday, September 12, 2022
问题:赤铁矿(红矿)主要含铁矿物的分子式为()。A、FeOB、Fe2O3C、Fe3O4D、FeSO4...
Monday, December 4, 2023
问题:加入亲水性的粘结剂(如膨润土、消石灰等),可大大提高生球的()。...
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:造球的原料基本上是经过()的精矿。A、未选矿B、选矿后C、直接破碎D、细磨...
Tuesday, June 13, 2023
Thursday, January 11, 2024
问题:赤铁矿的软化和熔化温度比磁铁矿低,易于生成液相,有利于烧结矿结块...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:下列几种铁原料,在混合造球过程中较难成球的是()。A、磁铁矿B、赤铁矿C、褐铁矿...
Monday, December 4, 2023
问题:在造球盘上作业时必须由()从电磁站撤电,操作开关打到零位,同时设专人监护。A、电工B、岗位C、班长D、主控...
Wednesday, May 24, 2023
Tuesday, December 6, 2022