Welding hot staring arc adjustable, applicable for starting arc of different thicknessofwork piece. Thrust current can be regulated, suitable for various welding process requirement.
焊接热引弧可调，适用于不同板厚工件的焊接引弧。推力电流可调，适用于各种焊接工艺要求。
2
The thickness dependent grown time and quality of the PBG of colloidal crystal were studied in this work.
研究了样品池的厚度对大面积胶体单晶的形成速度和质量的影响。
3
To ensure subgrade compaction, we must resolve the choice of subgrade soil, moisture control, shop soil thickness control and detection of degree of compaction work.