deepest oil well Cylinder work volume refers to the volume of gas swept by the piston from the top to the bottom, also known as single cylinder displacement, depending on the cylinder diameter and the piston stroke. Engine displacement is the total volume of working volume of each cylinder, usually expressed in milliliter (CC). Engine displacement is one of the most important structural parameters. It is more representative of engine size than cylinder diameter and cylinder number, and many indicators of engine are closely related to displacement. Nowadays, electric vehicles are referred to as pure electric vehicles, namely, a car that USES a single battery as the energy source for energy storage. It USES the battery as the energy source to power the motor, which drives the motor and drives the car forward. In terms of appearance, electric cars are indistinguishable from everyday cars. The difference lies mainly in the power source and the driving system. What the central bank can do to prevent the threat to its independence becomes more transparent. They can announce the votes of individual board members on all matters related to the policy and publish the minutes without delay. They can hold more press conferences and be less trite in explaining their policies. They can avoid debate on issues far from their task. They can admit that politicians have a right to determine the central bank's mission objectives. If interest rates rise in some currencies, interest gains on the currency will increase, attracting investors to buy the currency, so it is good for the currency. If interest rates fall, the gains from holding the currency will diminish, and the appeal of that currency will weaken. So you could say, "interest rate rises, strong currencies; Interest rates fall and currencies weaken. Last month, the bank said it expects to raise interest rates twice to keep inflation below 3 percentage points by the end of the decade. Stopping trading is an important part of the plan.