短语词组短语gum chicle water 胶水gum m water 胶水guar gum water -base fracturing fluid 瓜尔胶水基压裂液water gum 水紫树water -gum 水紫树water soluble gum association 水溶性树胶协会water shield gum 莼菜胶water soluble gum 水溶性树胶 返回 gum water