air-vacuum change-over valve的意思|示意
美 / /
英 / /
空气-真空转换阀
air-vacuum change-over valve的网络常见释义
空真转换阀 ... 空真二位阀 air-vacuum two way valve 空真转换阀 air-vacuum change-over valve 空转调节螺母 lost-motion adjusting nut ...