constant difference presure-reducing valve
constant difference presure-reducing valve
[海运英汉词典]
constant difference presure-reducing valve定差减压阀
是什么意思，constant difference presure-reducing valve的解释，constant difference presure-reducing valve的翻译
constant difference presure-reducing valve
[海运英汉词典]
constant difference presure-reducing valve是什么意思，constant difference presure-reducing valve的解释，constant difference presure-reducing valve的翻译