S-floating head with backing device的意思|示意
美 / /
英 / /
带靠背装置的s型浮头
S-floating head with backing device的网络常见释义
钩圈式浮头 ... P-outside packed floating heat 填料函式浮头 S-floating head with backing device 钩圈式浮头（选择） T-pull through floating head 可抽式浮头 ...