提供者创建的受管对象包含与 JDBC 包装器（由容器提供的连接池管理器添加）相似的自动征用代码。
The managed objects created by the provider contain similar auto-enlistment code as the JDBC wrapper added by the container-supplied connection pool manager.
除非提前另外同意，需加设内置静压受感器以确定容器特殊部件的厚度。
Unless otherwise agreed in advance, internal static head shall be added to the design pressure to determine the thickness of any specific part of the vessel.
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