hand-operated multi-vane regulating valve
膨胀阀 expension valve 流量调节阀 flow control valve 手动多叶调节阀 hand-operated multi-vane regulating valve 自动调节阀 automatic regulating valve ..
基于6个网页-相关网页
hand-operated multi-vane regulating valve
手动多叶片调节阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。