チェックバルブではありません
chekkubarubudewārimasen
1. Is not a check valve.; It is not a check valve.
Noun
#2502592
1. Is not a check valve.; It is not a check valve.
1. Was not a check valve.
1. valve
1. check-in
1. wealthy; rich
1. traveller's cheque; traveler's check
1. hedge
1. There; Behold