... balanced pressure proportioner等压式比例混合器 balanced pressure torch等压式焊炬 balanced reaction rudder平衡反应舵 ...
基于358个网页-相关网页
... 等压式焊炬 balanced pressure torch ; high pressure blowpipe 等压式焊（割）炬 high pressure blowpipe 滚压焊 mash seam weld ; ...
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