It does not require extensive training or specialist personnel.

它不需要大量的培训或专业人才。

youdao

Abstract: international welding Specialist (IWS) are the first approved training personnel which authorized by the international institute of welding (IIW) in China.

摘要：国际焊接技师是中国第一批获得国际焊接学会授权培训的国际焊接资质人员之一。

youdao

Abstract: international welding Specialist (IWS) are the first approved training personnel which authorized by the international institute of welding (IIW) in China.

摘要：国际焊接技师是中国第一批获得国际焊接学会授权培训的国际焊接资质人员之一。

youdao