长期以来，韩国焊接工业协会与中国机械工程学会和中国焊接学会通过业务支持与合作，保持着密切的联系。

For a long time KWIC has kept close relationship with our old friends, CMES and CWS through business assistance and cooperation.

youdao

长期以来，韩国焊接工业协会与中国机械工程学会和中国焊接学会通过业务支持与合作，保持着密切的联系。

For a long time KWIC has kept close relationship with our old friends, CMES and CWS through business assistance and cooperation.

youdao