由于是在焊前(手持式先罩上脸)戴上电焊帽，所以不容易烧伤眼睛。

As the welding helmet is put on before welding (covering the face first), so that eyes are not difficult to be burnt.

youdao

由于是在焊前(手持式先罩上脸)戴上电焊帽，所以不容易烧伤眼睛。

As the welding helmet is put on before welding (covering the face first), so that eyes are not difficult to be burnt.

youdao