挫败
发表于 2025-3-26 22:10:33
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进取心
发表于 2025-3-27 02:15:36
Compressed Gas Cylinders, Regulators, and Valvess changes to existing container specifications promulgated by the U.S. Department of Transportation (DOT) or Transport Canada (TC). Moreover, new specifications for compressed gas containers are also proposed from time to time.
meditation
发表于 2025-3-27 06:35:09
Pressure Relief Devicesrged cylinders when subjected to standard fire tests as required by Title 49 of the U.S. . (49 CFR) Part 173.34(d)), or the equivalent provision of CAN/CSA B340 as required by the regulations of Transport Canada (TC) ..
妨碍
发表于 2025-3-27 11:12:36
Cleaning Components, Equipment, and Systems for Oxygen Servicesels such as heat ex changers and rectification columns; and associated piping, valves, and instrumentation. Oxygen cleaning methods also may be used to clean other oxygen service equipment such as cylinders, cylinder valves, regulators, welding torches, pipelines, vaporizers, compressors, and pumps.
细查
发表于 2025-3-27 16:27:52
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optic-nerve
发表于 2025-3-27 18:06:44
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多山
发表于 2025-3-28 01:19:26
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geometrician
发表于 2025-3-28 02:53:26
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残暴
发表于 2025-3-28 06:53:04
se materials should be familiar with or should know where to find. The focus ofthis book concerns the properties and the accepted means oftransportation, storage, and handlingofcompressed gases. This handbook is simultaneously intended as an overview ofthe subject and a source ofsupplementary inform
Adrenal-Glands
发表于 2025-3-28 13:33:50
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