christmas-tree assembly
常見例句
- Christmas tree design for subsea applications, configured with the master valves and flow-control equipment on a horizontal axis to minimize the assembly height.
一種水下採油樹，它在水平軸線上裝有縂牐門和流動(dòng)控制設(shè)備，以便最大限度地降低裝置的高度。
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