GP shear-out safety joint的意思|示意
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英 / /
GP剪切安全接头
GP shear-out safety joint的网络常见释义
砾石充填剪切安全接头 ... goz 沙丘状积砂 GP shear-out safety joint 砾石充填剪切安全接头 GP sliding sleeve 砾石充填滑套 ...