fillet welding joint

例句：

1. 1.The engineer carefully filled the gaps inthe metal structure with fillet welding joints to ensure structural integrity.
   工程师仔细用填充焊焊接接头填补金属结构中的缝隙，以确保结构的完整性。
2. 2. During theconstruction of a bridge, fillet welding joints are used to connectthe steel beams and columns together.
   在建造桥梁的过程中，使用填充焊焊接接头将钢梁和柱连接在一起。
3. 3. Thewelder used a fillet welding joint technique to join two piecesof metal together quickly and efficiently.
   焊工使用填充焊焊接接头技术快速而有效地将两块金属连接在一起。