The friction and wear properties of silicon nitride (Si_3N_4) under dry sliding, water and ethanol lubricating conditions were investigated using a reciprocating pin-on-block tester.
在往復試驗機上考察了Si_3N_4在干摩,水和乙醇潤滑條件下的摩擦磨損性能,用SEM,XRD和XPS研究了Si_3N_4在水和醇中的摩擦化學反應機理。
carbon-dioxide-water fire extinguisher
二氧化碳-水滅火器
sprinkler water accelerator
噴水滅火系統水加速器
water type (stored pressure) extinguisher
水劑（貯壓式）滅火器
sprinkler connection
噴水滅火系統增壓器
water type (gas pressure) extinguisher
水劑（氣壓式）滅火器
He had the intelligence to put the fire out with a fire extinguisher.
他機靈地用滅火器滅火。
Extinguishing media: Water spray, foam dry chemical or carbon dioxide.
熄滅媒質：噴水，泡沫，干粉滅火器及其二氧化碳。
water display [fireboat]
灑水表演〔滅火輪〕
Primary Research on Application of Water Spray Extinguishing System for Large-Scale Oil-Immersed Transformer
水噴霧滅火系統在大型油浸變壓器的應用
Application of water-mist projector fire-extinguishing system in the large oil-immersed transformers
水噴霧滅火系統在大型油浸變壓器中的應用
sprinkler drain valve
噴水滅火裝置排水閥
Use foam, water, CO2 or dry powder for small fires.
使用泡沫、水性、二氧化碳或干粉（滅火器）處置小型火情。
Lee stood by with a fire extinguisher while the trash was burning.
當廢物堆著火時，李拿了滅火器準備滅火。
gas cartridge operated fire extinguisher
貯氣瓶式滅火器筒體內
monochloromonobromomethane type extinguisher
一氯一溴甲烷滅火器
cartridge-operated dry chemical fire extinguisher
貯氣瓶式干粉滅火器
foam type (stored pressure) extinguisher
泡沫（貯壓式）滅火器
Fetch the fire extinguisher at once.
立刻去拿滅火器來。