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外螺纹
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外螺纹--阳螺纹
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key number
key number
key number digest system
key nut
key officer
keypad
keypad
keypad
key pair
key pair
key pair
key pattern
key performance area
key performance indicator
key performance indicator--key performance indicator (KPI)
key performance indicator (KPI)
key performance indicators (KPI)
key person insurance
key person life and health insurance
key personnel
key pin
key plan
key point
key-point investigation
key process input variable
科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。
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更新时间：2025/3/14 16:34:32