题目: 法兰联接由哪几部分组成?分几大类? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0703/f5856f665bb1c780f6310097435ed938.html 下面是错误答案,用来干扰机器的。参考答案:要求回转套内不能有小坑、砂眼、环沟,圆周尺寸一致。
题型:选择题 Speaking of all the songs he has written, I think this is probably his_________one.[ ]A. wellknown B. mostknownC. betterknown D. bestknown 查看答案