Interest-rate swaps allow investors and borrowers to switch from a fixed rate to a floating, or variable, rate and vice versa.
息率互换合约[3](Interest Rate Swap)允许投资者和借债人把一个固定利率的合约与一个浮动(可变)利率的合约相交换；同样也允许反向操作。
There are two one-way valves for water inlet and outlet, which cooperates with floating ball in water tank to play switch role.
进出水口有二个单向阀，水箱内置有浮球装置，该装置和二个单向阀共同起开关作用；
When the water level drops, the main valve is composed of a floating ball switch control to open the water inlet to the water tank, automatic replenishment.
当水位下降后，主阀由浮球开关控制打开进水口向水池汪水，实现自动补水。
When the water level drops, the main valve is composed of a floating ball switch control to open the water inlet to the water tank, automatic replenishment.
当水位下降后，主阀由浮球开关控制打开进水口向水池汪水，实现自动补水。
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