Effectively, one tube amplifies the "upper half" and the other tube amplifies the "lower half".
实际上，单管放大的“上半部”及其他管扩大了“降低一半。”
The frame core-tube system is applied in the upper structure.
上部结构采用了框架-核心筒结构体系。
The fixing tube is arranged between the upper machine base and the lower machine base.
固持管固定于上机座与下机座之间。
The upper part and the submersible tube are connected together by a threaded section.
上部和潜水管通过螺纹部分连接…
The upper sleeve is connected with the lower sleeve via a threaded tube.
上套管和下套管通过螺纹管连接在一起。
The upper sleeve is connected with the lower sleeve via a threaded tube.
上套管和下套管通过螺纹管连接在一起。
应用推荐