采用美国HARRISBLOCKADE 焊条焊接，具有焊接管内无氧化皮、咬合紧密、无气孔、永不泄漏等优点；

HARRIS BLOCKADE welding electrodes used by the U. S. , with welded tube-free oxidation of skin, bite close, non-porous, never leaks and other characteristics;

youdao

采用美国HARRISBLOCKADE 焊条焊接，具有焊接管内无氧化皮、咬合紧密、无气孔、永不泄漏等优点；

HARRIS BLOCKADE welding electrodes used by the U. S. , with welded tube-free oxidation of skin, bite close, non-porous, never leaks and other characteristics;

youdao