请输入您要查询的英文单词:
单词
hourglass structure
释义
hourglass structure
简明释义
砂钟构造,沙漏结构
网络释义
1
?砂钟构造
hourglass structure
砂钟构造
...
双语例句
1
This dense disc may be the origin ofthe
hourglass
structure
of the nebula.
这个浓密的尘埃盘可能是沙漏状星云的起源所在。
2
The
structure
and the working principle of a new kind of
hourglass
worm gearing, which is called non-backlash hourglass worm gearing, are introduced.
阐述了一种新型环面蜗杆传动——无侧隙双滚子包络环面蜗杆传动的结构和传动原理。
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更新时间:2025/8/22 7:57:48