短语词组短語buckstay spacer 剛性拉撐墊塊front wall buckstay 前臉牆立柱Buckstay Design Engineer 剛性梁設計工程師tape horizontal buckstay 繞帶式水平剛性梁honeycomb beam buckstay 蜂窩狀腹板剛性梁 返回 buckstay