チェックバルブだった
chekkubarubudatta
1. Was a check valve.
Noun
#2502592
1. Was a check valve.
1. If it were a check valve.; When it is a check valve.
1. valve
1. check-in
1. traveller's cheque; traveler's check
1. Of valve; Valve's
1. With check; By checking
1. Checking; Of check
1. Is that okay?; Is it checked?