alphacooL 德国设计GERMAN ENGINEERING SMART AND EFFICIENT 013/10mm90°银 ●13/10mm90°黑 016/10mm90°银 ●16/10mm90°黑 ALPHAC00L13mm/16mm软管G1/4'接头银/黑 13/10-16/10 compression fitting 90'revolvable G1/4