“penetration number”的概念、定义、翻译、参考文献-科学参考

单词	penetration number
释义	penetration number 针入度数
随便看	main engine main engine abnormal main engine control center main engine control program main engine maneuvering stand main engine operation console main engine overhauling crane main engine remote control system main engine revolution indicator main entrance main entrance signal main entry main entry address main entry door main-entry pillar main entry point main environments main equipment main erase head main exchange main exciter main exciter response ratio main exhaust main exhaust fan main (explosive) charge

科学参考收录了1248194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。