![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
焊接一个长15cm,宽12cm,高8cm的长方体框架,至少要()cm长的钢筋
A.35cm
B.140cm
C.1440cm
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、140cm
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.35cm
B.140cm
C.1440cm
B、140cm
A.无法确定真假
B.真是的
C.虚假的过多
D.虚假的过少
A.长6-9cm宽4-5cm厚3-5cm
B.长9-12cm宽3.5-6.5cm厚4-5cm
C.长12- 15cm宽5.5-7.5cm厚4- 5cm
D.长7~8cm宽3~4cm厚2~3cm
E.长13~14cm宽7~8cm厚5~6cm
A.2160
B.1080
C.1620
D.540