roller paint applicator是什么意思

用法例句

The problems on painting craft of armature winding of mini-direct current dynamo are analyzed, new roll painting crafts are introduced, and properties of the crafts are concluded.

分析微型直流电机电枢绕组传统滚漆工艺的存在问题 ,介绍电枢滚漆新工艺 ,并总结了该工艺的特