Take a loop of masking tape and tape the board, copper side up, to a piece of cardboard (eg. the back of a writing pad).

采取一回路的掩蔽磁带和磁带董事会，铜的一面向上，一块硬纸板(例如回到一个书写板)。

youdao

Take a loop of masking tape and tape the board, copper side up, to a piece of cardboard (eg. the back of a writing pad).

采取一回路的掩蔽磁带和磁带董事会，铜的一面向上，一块硬纸板(例如回到一个书写板)。

youdao