check valve with ring是什么意思、英文翻译及中文解释
check valve with rj.com//tags-4798-0.html" target="_blank" >ing
词语: check valve with ring
解释: 带环的止回阀
词典: 专利专业英汉词典
check valve with rj.com//tags-4798-0.html" target="_blank" >ing
词语: check valve with ring
解释: 带环的止回阀
词典: 专利专业英汉词典