gabardine华达呢gagelength标准长度gagepressure计示压力gaiter绑腿galactose半乳糖galalith酪素塑料galantine肉冻galipot海松尸galipotresin海松尸gall胆汁gallbladder胆囊gallicacid没食子酸galligaskins宽短裤galling摩损galloon金银丝带galvaniccell自发电池galvaniccorrosion电偶腐蚀galvanizer镀锌器galvanizing镀锌gamboge橙黄色game