例句 /

Abstract: The shaped technique of the electric arc tube' s shell with neck, which is used in the small power metal-halide lamp, is introduced in this paper.

Abstract: The shaped technique of the electric arc tube' s shell with neck, which is used in the small power metal-halide lamp, is introduced in this paper.

摘要:超小功率高强度气体放电灯电弧管电极极间距误差要求小,二电极对中要求高,所以采用在电弧管泡壳两端加缩颈来定位电极。