absolute block signal
【电】 绝对闭塞记号[机]
热门单词
- abandonment of husband
- Abraham consistometer
- absolute guaranty
- absorption frequency
- absorption wavemeter
- acalcemia
- Acarus scabiei
- accentual
- acceptance number
- accepting house
- accident in loading
- accounting reliability
- accumulator jump instruction
- accurate adjustment
- accursed
- acecarbromal
- acephalous
- acetic
- acetoxy-acetophenone
- acetphenetide
- acetyl biuret
