Two kinds of new special measuring tools for measuring the radius of non entire circle arc are designed.
设计了两种测量非完整圆弧半径的新型专用量具。
The development of the oil well pipe with special thread connection is a systematical project involving development of relevant gauges and measuring tools for the thread as a key item.
特殊螺纹接头油井管的开发是一项系统工程，其中量规、量具设计是开发中的一个重要环节。
With numerous types, full range of specification and strict quality controlling, it enables to customize special types of measuring tools in accordance with the requirement of customers.
品种多、规格全，品质优良，并能根据客户需求设计制造各种特殊要求的量具。
With numerous types, full range of specification and strict quality controlling, it enables to customize special types of measuring tools in accordance with the requirement of customers.
品种多、规格全，品质优良，并能根据客户需求设计制造各种特殊要求的量具。
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