青春击球棒 Green Mind Metal Bats ; SEISHUN KINZOKU BATTO ; Youth batting stick

原名为世界青棒锦标赛 World Junior AAA Championship

青铜棒 bronze bar

磷青铜棒 phosphate bronze bar

青少棒赛 Junior League

中国青少年棒球联赛 CYBL

密致青灰棒 low porosity graphite rod

锡青铜棒 Tin phosphor bronze bars

铝青铜棒 Aluminum bronze round bars