这座大坝的改造升级，采用方法是用普通水泥浇筑拱槽，把基本上是重力结构的大坝部分改建为多拱大坝。
The structural upgrade consisted of converting the multiple arch to basically a gravity structure by partially infilling the arch bays with conventional concrete.
保险库槽(vault slot)是保险库段的一部分；它是用CredentialSlotConfig类表示的。
A vault slot is part of a vault segment; it is represented using CredentialSlotConfig class.
钢衬塑运输槽罐的钢体部分的制作，按照JB/T4735-1997《钢制焊接常压容器》标准。
Transport steel tanks lined with plastic body parts of the steel production, in accordance with the JB/T4735-1997 "welded steel pressure vessel" standard.
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