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1.概述 用菱形钢丝缠制的螺套,称钢丝螺套。它呈弹簧型,为高精度内、外螺纹同心体。本文介绍它的几种不同型别。
1. Overview Loaded with rhombic wire sets, known as wire sets. It is spring-type, high-precision, external thread concentric body. This article describes several different types of it.