Angle flange Standard. Flat flange: Specify hole pat-tern. If no drawing provided, flange will be blank.

角法兰标准。平板法兰：指定孔模。如果没有提供的图纸，法兰将为空白。

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However, it is not seen that quantitative analysis on the effects of vertical roller cone Angle on the flange lateral spread has been performed by far.

然而尚未见到关于立辊锥角对翼缘宽展的影响进行定量分析的报道。

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Metallurgical oxygen system pipe system, should use strict degreasing treatment, needle valve flange J29 Angle Pressure Gauge valve connection.

冶金系统中的氧气管路系统中，宜选用经过严格脱脂处理，法兰连接的针型阀。

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