expansion and contraction joint
[水利英汉词典]
expansion and contraction jointn.伸缩缝
是什么意思,expansion and contraction joint的解释,expansion and contraction joint的翻译
expansion and contraction joint
[水利英汉词典]
expansion and contraction joint是什么意思,expansion and contraction joint的解释,expansion and contraction joint的翻译