... standard fixed-length record 标准定长记录 standard flange 标准法兰 standard flat wagon 标准平车 ...
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其他标准法兰、材质或操作压力时请在订货时注明。
Please give clear indication of flange, material and operating pressure if you need other standard.
当需要其他标准法兰、材质或操作压力时请在订货时注。
Please give clear indication of flange. material and operating pressure if you need other standard.
防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。
Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.
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