Use: Test, measuring, lineation, equipment installation and construction of industrial engineering.用途: 检验 、 测量 、 划线 、 设备安装、工业工程的施工.Professor has constructed a measuring sonde , based on magnetostriction.教授根据磁致伸缩研制了一种测量探头...
It has increased to such an extent that Ghana can now export maize.玉米产量增长得如此迅速，现在加纳已经可以出口玉米了。Ghana's main export is cocoa.加纳的主要出口商品是可可豆。Michael Essien, Chelsea's Ghana international, has recently spoke of Adu&#...