单词	signal gun
释义	signal gun 信号枪
随便看	acetylene ionization chamber acetylene lamp acetylenelamp acetylene link acetylene method acetylene-oxygen flame acetylene oxygen flame acetylene pipe acetylene polymer acetylene pressure gauge acetylene pressure regulator acetylene producer Acetylene-Propadiene acetylene reduction acetylene reduction assay acetylene reduction method acetylene reduction test acetylene refiner acetylene regulator acetylene regulator valve acetylene removal acetylenes acetylene series acetylene sludge acetylene smoke ddgk ddgs ddgy ddhb ddhc ddhr ddjf ddjs ddjt ddjx とめ金ともともともともともともとも【供（伴）】とも【共】とも【友（朋）】