| 单词 | trial batch |
| 释义 | trial batch [¦trīl `bach] ENGINEERING A batch of concrete mixed to determine the water- cement ratio that will produce the required slump and compressive strength; from a trial batch, one can also compute the yield, cement factor, and required quantities of each material. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。