internal concrete vibrator
internal concrete vibrator
[进出口英汉词典]
internal concrete vibrator混凝土内部振捣器
是什么意思，internal concrete vibrator的解释，internal concrete vibrator的翻译
[水利英汉词典] internal concrete vibrator
internal concrete vibrator
[进出口英汉词典]
internal concrete vibrator是什么意思，internal concrete vibrator的解释，internal concrete vibrator的翻译
[水利英汉词典] internal concrete vibrator