短語詞組短語dry y chemical sonde 乾式化學(xué)探空儀dry y chemical 乾粉滅火劑;乾化學(xué)品Vitros dry -chemical Vitros乾化學(xué)法dry -chemical fire extinguisher 乾粉減火器英語;乾箱法dry y chemical fire extinguisher 化學(xué)乾式滅火器dry chemical extinguisher dry -chemical extinguisher 乾粉滅火器dry chemical fire extinguisher 乾粉滅火器;化學(xué)乾式滅火器;粉式滅火筒;低邊行人路路邊石Dry Chemical Systems 乾式化學(xué)滅火系統(tǒng) 返回 dry chemical