pressure vessel head
... pressure vessel fabrication on site 压力容器现场制造 pressure vessel head 压力容器顶盖 pressure vessel(closure) head 压力容器封头 ...
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压力容器顶盖就位 seating of the vessel head
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反应堆压力容器包括顶盖、加肋管板,壳体(外壳和底部壳体)三部分。
The pressurized vessel of a nuclear reactor consists of three parts: the top cap, the ribbed tube-plate and the shells (the external shell and the bottom shell).
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