Analyses the cause for the crack resulting from the non-fusion in the longitudinal weld seam of a power plant boiler cylinder, and suggests corrective actions to eliminate the defect.

针对一台电站锅炉锅筒纵焊缝未融合引起的裂纹进行分析，并提出缺陷修复的办法。

youdao

It is used as a protector of all-pole disconnection, which is suited for water heater, water boiler, cylinder washer.

适用于整机全极断开保护的热水器，开水器、洗衣机等。

youdao

If you are living on means tested benefits AND you live in the hardest-to-heat homes you may be eligible for a free new central heating boiler, insulation for a hot water cylinder, loft, cavity wall and solid wall insulation, draught proofing for doors and windows or renewable energy technologies such as solar panels.

BBC: Battling bills - what help is there?