本实用新型公开了病床床头护架，属于医疗辅助器械。
The utility model discloses a hospital bed side cage for medical auxiliary equipments.
设计了一种适用于海上边际油气田开发的垂直护管水下桩基式井口保护架。
With vertical pipe shield and underwater pile-foundation, a protection frame for wellhead is designed for the development of offshore marginal field.
深沟球轴承是多才多艺，自护与固体外圈，内圈和球和保持架组件轴承。
Deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings and ball and cage assemblies.
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