词汇	cleaning expansion
释义	cleaning expansion 清洁膨胀
随便看	acetylene oxygen flame acetylene-oxygen flame acetylene oxygen hose acetylene-phenol resin acetylene pipe acetylene pipeline acetylene poisoning acetylene polymer acetylene pressure gauge acetylene pressure regulator acetylene producer acetylene production acetylene production by dry method acetylene production by wet method Acetylene-Propadiene acetylene purification waste water acetylene reduction acetylene reduction activity acetylene reduction assay acetylene reduction method acetylene reduction test acetylene refiner acetylene regulator acetylene regulator valve acetylene removal