Check that welder is working perfectly before use .
在使用焊机之前应检查焊机是否完全正常工作。
Compact , portable welder with invert technology .
采用了变极器技术的小型便携式焊机。
Read specific safety information for the welder .
请阅读焊机安全详细信息。
The next day he purchased a lead-lined casket for $ 5000 , placed the corpse inside and paid a welder to seal the casket shut , per airline regulations .
