单词：gravel packing
gravel packing的用法和样例：
例句
- Methodology for horizontal gravel pack wells in Brazilian deepwater.巴西深水域中水平砾石充填井的方法。
- In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains.在农田排水中常常采用砾石或过滤层来防止粉细砂和泥沙进入排水沟。
单词：gravel packing 相关文章
Packing 包装 Brief Introduction 包装包括运输包装（外包装或大包装）和销售包装（内包装或小包装）。这些都是为了保护商品的品质完好和数量完整而采取的
商务英语300句
Unit 13 Packing 包装 1. These goods are very expensive, and easily damaged. 这批货很贵又容易被损坏。 2. Last time you told me that you wanted the most economical packaging. 上次你跟我说要最经济的包装。 3. We always take ex
外贸实务口语
Lesson 6 I have to go back to Canada第六课 我必须回加拿大了。 [00:08.63]Let's Join the chant! [00:13.54]Listen and chant along. [00:17.69]Something, something! I have something to tell you.我有件事要告诉你。 [00:28.24]Parents, pa
EEC小学英语六年级
本单元是关于出差打包的对话 Tim: Hurry up Alice! Alice: I'm going as fast as I can. Tim: The plane's going to take off without us at this rate. You've not even finished packing yet! Alice: Don't hassle me! I couldn't just walk out in the middle o
公寓伙伴
包装 Packing （一） The next thing I'd like to bring up for discussion is packing. 下面我想提出包装问题讨论一下。 We'd like to hear what you say concerning the matter of packing. 我很想听听你们就包装问题发表意见。
实用英语
Nick: Arent you done packing yet? We need to leave for the airport in 15 minutes. Mariah: Im almost done. I just need to finish packing my garment bag . Nick: Youre bringing a garment bag? What for? Mariah: For my dresses, of course. I dont want them
地道美语播客