- seal gas system
- 密封气体系统
English-Chinese electricity dictionary (电气专业词典). 2013.
English-Chinese electricity dictionary (电气专业词典). 2013.
SEAL Recon Rifle — Built in house by U.S. Navy SEAL Team armorers, and later by the Naval Surface Warfare Center, Crane Division (often referred to as NSWC Crane or Crane ), the SEAL Recon Rifle was developed to provide SEAL snipers with a portable, lightweight… … Wikipedia
Gas holder — A gasometer, or gas holder, is a large container where natural gas or town gas is stored near atmospheric pressure at ambient temperatures. The volume of the container follows the quantity of stored gas, with pressure coming from the weight of a… … Wikipedia
Gas cylinder — For the mechanical devices used to impart a force from a pressurized liquid or gas, see pneumatic cylinder. For the large structures used to store town gas, see gas holder. Industrial compressed gas cylinders used for oxy fuel welding and cutting … Wikipedia
Seal (mechanical) — Compression seal example A mechanical seal is a device which helps join systems or mechanisms together by preventing leakage (e.g., in a plumbing system), containing pressure, or excluding contamination. The effectiveness of a seal is dependent… … Wikipedia
Gas meter prover — A Gas Meter Prover is a piece of equipment used to verify the accuracy of a gas meter. Presently, gas meter provers (or more simply “provers”) refer to manually or electronic and/or computer controlled equipment used to calculate accuracy of a… … Wikipedia
Gas syringe — A gas syringe also known as glass collecting bottle, is a piece of laboratory glassware used to insert or withdraw a volume of a gas from a closed system, or to measure the volume of gas evolved from a chemical reaction. A gas syringe can also be … Wikipedia
Gas spring — A gas spring is a type of spring that, unlike a typical metal spring, uses a compressed gas, contained in a cylinder and variably compressed by a piston, to exert a force. Gas springs are used frequently in automobile construction, where they are … Wikipedia
End face mechanical seal — An end face mechanical seal, also referred to as a mechanical face seal but usually simply as a mechanical seal, is a type of seal utilised in rotating equipment, such as pumps and compressors. When a pump operates, the liquid could leak out of… … Wikipedia
Public Land Survey System — Seal of the BLM The Public Land Survey System (PLSS) is a method used in the United States to survey and identify land parcels, particularly for titles and deeds of rural, wild or undeveloped land. Its basic units of area are the township and… … Wikipedia
Bodok seal — The Bodok seal is a specialised washer that ensures a gas tight seal between the cylinder yoke or regulator of an anaesthetic machine or any medical device requiring a gas supply, and a gas cylinder. It was introduced along with the pin index… … Wikipedia
Theddlethorpe Gas Terminal — (TGT) is a large gas terminal on the Lincolnshire coast on Mablethorpe Road at Theddlethorpe St Helen close to Mablethorpe in East Lindsey. It is just off the A1031 and next door to a holiday camp and [http://www.thesealsanctuary.com Mablethorpe… … Wikipedia