final gate servomotormain servomotor主: host接力器: servomotor接力器: servomotor (水轮机的)导叶接力器: vane servomotor辅助接力器: auxiliary servomotor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:主接力器，即可在微信中查询翻译
