题目内容
采用钢板加工制作风管的过程中，通常薄钢板采用焊接连接，厚钢板采用咬口连接。
查看答案
搜索结果不匹配？点我反馈
更多问题
桥架是使电线、电缆、管缆铺设达到标准化、系列化、通用化的电缆铺设装置，其规格常用“宽度×高度”表示。
接地装置是接地体和接地线的总和，它的作用是把引下线引下的雷电流迅速散到大地土壤中去。
A: Hi, Lucy! How’s it (1)________?B: Fine, thanks. And you?A: Just fine. Where are you (2)________ to?B: To the library. I’m going to have a history examnext week and need to start studying.A: Well, I’ll see you later then. (3)__________!B: Thanks. See you later.
A: Hey, Frank! How did your physics exam go?B: (1)________, thanks, Linda. I’m just glad it’s (2)________!How about you? How did your presentation go?A: Oh, it went really well. Thanks for helping mewith it!B: You’re welcome. So do you (3)__________ studyingfor our math exam tomorrow?A: Yeah, sure! Come over around 10:00, afterbreakfast.B: All right. I’ll bring my (4)___________.
微信支付 
支付宝支付