high pressure float valve 高压浮球阀 ; 高压浮子阀
low pressure float valve 低压浮子阀 ; 低压浮头阀 ; 低压浮球阀
pressure float valve 低压浮球阀
high-pressure float valve 高压浮球阀
low-pressure float valve 低压浮球阀
float type pressure gage 浮式压力计 ; 浮子式压力计
float type pressure differentiator 浮子式差压机
float type pressure gauge 浮子式压力计
float bell pressure gauge 浮钟式压力计
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