Welman submarine
（重定向自Welman）
![](/Images/godic/202502/20/Welman_trialled_at_Queen_Mary_Reservoir_Staines3519.jpg")
The Welman submarine was a Second World War one-man British midget submarine developed by the Special Operations Executive. It only saw action once and was not particularly successful.
Welman
英语百科
- predetermined time study
- Predetermined time system
- predetermined time works
- predetermined tractive characteristic curve of locomotive
- predetermined value
- predetermined variable
- predetermined variate
- predetermined zygotes
- predeterminer
- predetermine
- predetermining circuit
- predetermining counter
- predeterminism
- predetonation
- predevaluation
- predevelop
- predeveloped
- predeveloping
- predevelopment
- predevelops
- predewatering screem
- pre dewatering screem
- Pred Forte
- Predgornoye
- Predgornyy Rayon