英德
有道
百度
谷歌
图片
维基
百科
开口部 [kāi kǒu bù]
peristome
- 本发明提供一种气体绝缘设备的泄压装置，其特征在于，具备：开口部（2），设在收纳断路器等电气设备的箱体（1）上；
There are provided an aperture (2) provided in a box (1) that accommodates electrical equipment such as a circuit breaker; - 其特征在于：与所述横 间隔壁距离一定间隔设置有具有开口部的辅助横间隔壁。
The invention is characterized in that: an auxiliary horizontal spacing wall with an opening is arranged at certain distance from the horizontal spacing wall; - 卡环是一具有开口部的环形体，环形体的内侧设置一圈用于扣压轮芯的台 阶，台阶表面具有向下倾斜的弧面形状。
The snap ring is a ring with opening part, the inside of the ring is arranged with a circle of step which is used to buckle the wheel core, and the surface of the step has downward inclined arc shape.
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中国词汇量第二的英语词典
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