back-siphonage preventer,anti-siphonage device,backflow preventer
词语： back-siphonage preventer,anti-siphonage device,backflow preventer
解释： 背部-虹吸能力防护器、抗虹吸能力设备、回流防止器
词典： 专利专业英汉词典
back-siphonage preventer,anti-siphonage device,backflow preventer 相关解释
背部-虹吸能力防护器、抗虹吸能力设备、回流防止器 back-siphonage preventer,anti-siphonage device,backflow preventer
