短期电离层预测
short term ionospheric forecast
CrMnB堆焊焊条
CrMnB surfacing welding electrode
Cr-Mo-W-Mn-Ni铁基堆焊层
Cr-Mo-W-Mn-Ni ferric-base hardfacing layer
Cr-W-Mo-Mn-V铁基堆焊焊条
Cr-W-Mo-Mn-V iron-based surfacing electrode
E347L堆焊层
E347L overlay welding layer
Fe-C-Cr-Mn系堆焊层
Fe-C-Cr-Mn surfacing layers
Fe-Cr-C-Mo系堆焊层
Fe-Cr-C-Mo hardfacing alloy layer
表面硬化堆焊焊条
hard surfacing buildup welding electrode
不锈钢堆焊层
stainless steel repair welding
不锈钢堆焊层剥离
stripping of stainless steel welding overlay
电焊堆焊
electric welding buttering technique
堆焊层成形
overlaying shaping
formation of surfacing layer