U型多层金属波纹管
u-form multilager metallic bellows
波纹金属包嵌石棉垫片
corrugated metal gasket with asbestos inserted
波纹金属接合填密环
corrugated metal joint ring
镀锌六角金属丝网
galvanized hexagonal wire mesh
非金属-金属转化
nonmetal-metal transition
焊接金属波纹管
welded metal bellows
welded metal bellow seals
welded metal bellow
weld metal bellow
Keywordwelded metal bellow
welded m etal bellow
焊接金属波纹管机械密封
welded metal bellow type mechanical seal
活塞环金属填料
metallic piston rod packing
夹金属丝网石棉胶板
compressed asbestos fibre jointing with steel wire