active area
现用区有效面积
热门单词
- a calcium compound
- abnormal nuclear state
- abrasion groove
- absolute signal delay
- ac and frequency speed control
- acceptability test
- acceptance of promissory notes
- accidental evolution
- accompanied with
- accumulating totals
- accumulator system
- accurate complete equipment
- acetate colour
- achromatic objective
- acicular iron
- acid-base determination
- acid-resistant stoneware tower
- acne cornea
- acne rosacea
- aconitic acid
- acoustical reduction coefficient
