check valve (back pressure valve,return valve)
词语: check valve (back pressure valve,return valve)
解释: 止回阀(回压阀,回流阀)
词典: 专利专业英汉词典
check valve (back pressure valve,return valve)
词语: check valve (back pressure valve,return valve)
解释: 止回阀(回压阀,回流阀)
词典: 专利专业英汉词典