译：HB 7122.4-1994 The verification method for civil aircraft onboard equipment weathering test chamber (room) including waterproof test chamber (room) is as follows: "The weathering test chamber (room) is used to simulate the environmental conditions of the aircraft cabin, and the equipment to be tested is placed in the chamber (room) for testing. The waterproof test chamber (room) is used to ensure that the equipment is not damaged by water during testing." Therefore, the waterproof test chamber (room) is a necessary component of the weathering test chamber (room) for ensuring the accuracy and r

译：FZ/T 95001-1991 Round screen dryer

译：QJ 2655.1-1994

译：HB 6-92-1979 The joint in the wire

译：HB 6959-1994 The milling cutter with 90° blind hole is clamped using a convertible pressure plate for numerical control machine tools

译：HB 6910-1994 The roughing milling cutter is used for machining aluminum alloy in numerical control milling machine

译：HB 7843-2008 Union,flareless tube,28MPa

译：SJ 3093-1988 Cold press dies--Typical structure of compound thin dies for backward assembling

译：HB 2966-1991 Module。

译：QJ 2676-1994 Test method for low-temperature and low-pressure adsorption performance of adsorbent