lead starting sheet

例句：

1. 1. The engineer used a lead starting sheet to protect the workpiece from damage during soldering.
   工程师使用铅起始板来保护工件在焊接过程中免受损坏。
2. 2. During the assembly process, the lead starting sheet was used to ensure proper alignment of the components.
   在装配过程中，铅起始板被用来确保组件的正确对齐。
3. 3. The lead starting sheet is an essential tool for metalworking and welding operations.
   铅起始板是金属加工和焊接操作中必不可少的工具。