你可能感兴趣的试题
sudden evaporation of wax crystals in the lubricant sudden evaporation of entrapped air in the lubricant release of refrigerant from the oilefrigerant mixture release of dissolved lubricant from the refrigerant
The equipment divers use. The effects of pressure on gases in the human body. How to prepare for a deep dive. The symptoms of nitrogen bubbles in the bloodstream.
Hydraulic oil pressure Servomotor action Flyweight centrifugal force Relay motion
Geologists know that volcano action is caused by radioactive elements. Geologists know that there is higher temperature within the earth. The real causes of the heat inside the earth have not been found. Scientists have made various guesses about the causes of heat inside the earth.
/； a /；th the； a the； the
/; a /; the the; a the; the
contraction retraction expansion shrinkage
/; a /; the the; a the; the
to compete competing to be competed having competed
/; a /; the the; a the; the
excessive heat friction oxidation high pressure
increase exhaust back pressure causes excessive crankcase pressure can only be detected by a compression check decreases fuel consumption
It forms bubbles. It goes directly to the brain. It is reabsorbed by the lungs. It has a narcotic effect.
tunnels are dangerous to public health the noise and the glare of the engine fire may affect people' s nerves the rapid speed through the air does damage to people's lungs to those with high blood - pressure, the rapid speed of the train causes them to die
Combustion does not begin until the piston starts down on the power stroke Maximum combustion pressure is reached before TDC Turbulence in the cylinder causes a delay in ignition Maximum cylinder firing pressure is not developed until the piston passes TDC
Rise slowly. Breathe faster. Relax completely. Breathe helium.
yields starts surfaces travels
low compression temperature low ambient air pressure high lube oil pump pressure high fuel oil booster pump pressure
Pressurized helium. Nitrogen diffusion. Nitrogen bubbles. An air embolism.
湘公网安备 43130202000226号