在结构图中,钢结构熔透角焊缝表示方法,正确的是( )。
A <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251122/13559885_0.jpg"> B
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251122/13559885_0_1.jpg"> C
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251122/13559885_0_2.jpg"> D
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251122/13559885_0_3.jpg">