单词：spring plate
spring plate的用法和样例：
例句
- This paper introduces the installation method and effectiveness experiment of bow spring casing centralizer.弓形弹簧片套管扶正器是使用量最多的固井工具。
单词：spring plate 相关文章
The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o
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今天还是要继续讲两个在大选期间新闻界常用来报道选战形势的习惯用语。你知道哪一种运动是美国人日常用语最丰富的源泉呢？是美国最风行的球类运动：棒球。今天要说的两个习惯用语都
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[ti:UNIT 4 Look into Science! Lesson 28: Fill My Plate] [0:00.567]UNIT 4 第四单元 [0:02.629]Look into Science! 走进科学！ [0:04.999]Lesson 28: 第28课： [0:07.524]Fill My Plate 把我的盘子装满 [0:15.770]It's time for lunch! 该吃午饭
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英语新闻
迷你对话 A: Its a long time since I saw you last time. 好久不见啊，真是想你啊。 B: So do I. Let me spring for dinner. 我也是呀，晚上由我来请客吃饭。 地道表达 spring for dinner 1. 解词释义 Spring 后面加上for，
迷你对话学地道口语