automatic counterweight gate有: 5年 fifteen years平衡: balance; equilibrium器: implement; utensil; ware的: 4次方是 The fourth power of 2 i ...自动: voluntarily; of one's own ac ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:有平衡器的自动阀门，即可在微信中查询翻译
