[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhA8UsZNvNcY0t_zo2eOu5pNqKlFKr8SwJ7jDBJK5RLM":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":111,"createTime":26},104090171,"v1","角度的尺寸数字一律按()位置书写",[8,9,10,11],"水平向右","水平","水平向左","垂直",[],[14,27,37,47,57,67,77,87,97,107],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},104090162,"转炉吹炼一周期结束的含铜品位的范围( )",[18,19,20,21],"60% —70%","70% —75%","80% —90%","40% —55%",[],[],0,null,"2023-11-08T09:09:17+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},104090163,"冷变形强化使金属( )",[31,32,33,34],"强度减小,塑性增大","强度减小,塑性减小","强度增大,塑性增大","强度增大,塑性减小",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":45,"related":46,"type":24,"origin":25,"createTime":26},104090164,"焊接时,焊条横向摆动,目的是( )",[41,42,43,44],"形成宽的焊缝","形成窄的焊缝","是引弧方法","焊透工件",[],[],{"id":48,"source":5,"question":49,"options":50,"answer":55,"related":56,"type":24,"origin":25,"createTime":26},104090165,"哪两种因素影响真空断路器真空灭弧室的性能:( )",[51,52,53,54],"触头材料、触头形状","真空度、触头材料","真空度、触头形状","屏蔽罩结构、触头材料",[],[],{"id":58,"source":5,"question":59,"options":60,"answer":65,"related":66,"type":24,"origin":25,"createTime":26},104090166,"环氧大豆油是一种广泛使用的聚氯乙烯增塑剂,用量一般为( )",[61,62,63,64],"8~10份","2~5份","5~8份","1~2份",[],[],{"id":68,"source":5,"question":69,"options":70,"answer":75,"related":76,"type":24,"origin":25,"createTime":26},104090167,"塑料产品的样品一般保留( )个月",[71,72,73,74],"10","6","1","2",[],[],{"id":78,"source":5,"question":79,"options":80,"answer":85,"related":86,"type":24,"origin":25,"createTime":26},104090168,"变压器运行时发出\"嗡嗡\"响声的原因是( )",[81,82,83,84],"油温高","绕组振动","零部件振动","硅钢片磁滞伸缩",[],[],{"id":88,"source":5,"question":89,"options":90,"answer":95,"related":96,"type":24,"origin":25,"createTime":26},104090169,"化学家Seidel指出Si与NaOH溶液的反应,首先是Si与OH-反应,生成SiO,然后SiO迅速水解生成H4SiO4,下列有关说法正确的是( )",[91,92,93,94],"2HCl+Na2SiO3===H2SiO3↓+2NaCl,说明Cl的非金属性大于Si","原硅酸钠( Na4SiO4)能迅速水解,溶液呈碱性,故Na4SiO4为弱电解质","石英玻璃、普通玻璃、陶瓷及水泥均属于硅酸盐产品","半导体工业所说的\"从沙滩到用户\"是指:将二氧化硅制成晶体硅",[],[],{"id":98,"source":5,"question":99,"options":100,"answer":105,"related":106,"type":24,"origin":25,"createTime":26},104090170,"变压器主绝缘击穿的修理步骤为:更换绝缘、烘干器身和( )",[101,102,103,104],"修好接地片","绑扎","灌入合格的变压器油","焊接引线",[],[],{"id":4,"source":5,"question":6,"options":108,"answer":109,"related":110,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"courseName":112,"courseImg":113,"workName":114,"workId":114,"count":24,"courseId":115},"新材料智能生产与检测","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","","8b909b999e2314370488fb8629d87f61"]