英语词汇double concave怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
Just as a double convex lens enlarges so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
2
Just AS a double convex lens enlarges, so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
3
Spherical roller bearings are double-row, self-containing units that comprise solid outer rings with a concave raceway, solid inner rings and barrel rollers with cages.
球面滚子轴承是双列，自我包含的单位，包括坚实的外圈与凹面滚，固体和内圈与辊每桶笼。

单词	double concave
释义	double concave 简明释义双凹形：指具有两个凹面的形状。网络释义 1 ?双凹的双凹短语 1 double concave glass 双凹透镜 2 double concave lens 光双凹透镜 3 double-concave shape 双凹型双语例句 1 Just as a double convex lens enlarges so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。 2 Just AS a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。 3 Spherical roller bearings are double-row, self-containing units that comprise solid outer rings with a concave raceway, solid inner rings and barrel rollers with cages. 球面滚子轴承是双列，自我包含的单位，包括坚实的外圈与凹面滚，固体和内圈与辊每桶笼。
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