一般砂型铸造技术的浇注系统结构主要由浇口杯,直浇道,横浇道,内浇道组成。
参考答案:对
单词拼写(共10小题;每小题0.5分,满分5分)
小题1:If what you are teaching doesn’t a to your students, they will lose interest in it.
小题2:The Hope Project is s by wealthy big companies, who hope to advertise their companies or their products.
小题3:The height of the mountains v from 1000 meters to over 2000 meters.
小题4:Some students think so many tests every week make them under a lot of s .
小题5:I behaved badly yesterday and I am a of myself now.
小题6:The film is a from a novel with the same name.
小题7:After s the water out of the skirt, she hung it in the sun.
小题8:He a for this job, but was refused.
小题9:He worked very hard and e his effort paid off in College Entrance Exam.
小题10:As we all know, smoking has many harmful e on both smokers and non-smokers.
()均需装设直流电流测量装置。
A.换流器高压侧出口
B.换流器中性线侧出口
C.直流线路入口
D.接地极线路入口