The effect obviously is changed with welding time, and the effect of gap on shape of molten pool is analyzed as well as the rule of different parameter on the change of molten width is obtained.

分析了间隙对熔池形状的影响，得出不同工艺参数对熔宽变化的影响规律，并分析了电孤形态差异对接头的影响。

youdao

This four-month gap appears to rule out a referendum in autumn 2002.

ECONOMIST: Britain and the euro

They do not, as a rule, draw attention to the gap between what was said the previous year and what was subsequently delivered.

ECONOMIST: Caring at Kananaskis | The