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1·Raised-face body has drilled and tapped lugs in accordance with ANSI Class 125/150 dimensions.

凸面阀体配置钻孔的凸耳，符合美国国家标准化组织ANSI压力等级125/150尺寸标准。

2·Valve body shall be drilled and tapped for a pressure connection on top and bottom of the housing.

阀体应该钻孔和攻丝用于在顶部和底部外壳的压力连接。

3·With the engine in place, I used myl to locate the holes, then I removed the mounts, drilled and tapped them.

随着引擎的地方，我用升找到漏洞，然后我删除了安装，钻井和利用它们。