accident beyond control
不可抗力灾害
热门单词
- abrasive lapping
- abvolt per centimeter (aV/cm)
- AC arc welder
- AC-dc welding machine
- acceleration test
- accounting for internal reporting
- accounting for idle time
- accurate position indicator
- acetone sugar
- aceturic acid
- acetyl phosphate
- achalasia of cardia
- acid-proof material
- acidic solution
- acinar
- acme thread ga(u)ge
- acne rosacea
- acoustic effects generator
- acoustic transducer array
- acousto-optic hydrophone
- acquiring
