Design, fabrication, inspection and test for the supplied product shall accord fully with the requirements of TECHNICAL SPECIFICATION for OXYGEN CONTROL VALVES.
所供产品的设计、制造、检验和验收应符合氧气调节阀技术规格书的要求。
Design, fabrication, inspection and test for the supplied product shall accord fully with the requirements of TECHNICAL SPECIFICATION for COAL FEED FLOW CONTROL VALVES.
所供产品的设计、制造、检验和验收应符合煤流量控制阀技术规格书的要求。
The uses of barium sulphate precipitated, the specification of the original material, the principle of production, process control point, product quantity are introduced.
介绍了硫酸钡的用途、原材料规格、生产原理、工业生产中主要工艺控制点、 产品质量。
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