我公司的2205蜗轮三偏心硬密封蝶阀,2205双相钢制造,耐氯离子腐蚀,法兰连接,DN50-DN1200,PN1.0MPA-6.4MPA,型号D343F,D343W。 我公司的我公司的2205蜗轮 ...
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