干密封标准型锥管螺纹 NPTF
API682密封标准 API 682 Seal Standard
德国密封标准 DIN seals standards
英国密封标准 BS seals standards
美国密封标准 ASTM seals standards
中国密封标准 GB seals standards
法国密封标准 NF seals standards
日本密封标准 JIS seals standards
密封式标准电阻器 sealed standard resistor
油(气)田测井用密封型放射源放射卫生防护标准。
Radiological health protection standard for using sealed radioactive sources in oil and gas-field logging.
这个标准涵盖塑料美国锥管螺纹(NPT)的尺寸和计量方法,用于泄漏密封连接,现在已在所有有关塑料管道产品的ASTM标准中引用。
The standard covers dimensions and gaging of plastic tapered National Pipe Threads (NPT) for leak-tight joints, and it is now referenced in all ASTM Standards for plastic piping products.
产品密封存放在阴凉干燥房间,有效期12个月。过期产品经检验符合标准仍可使用。
Product Seal stored in a cool dry room, valid for 12 months. Expired products can still be used by the test standard.
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