green sand mould造句

• Verification regulation of green sand mould surface hardness tester for castings
  铸造用湿型表面硬度计试行检定规程
• Abstract : the general situation of the development of bentonite green sand moulding process and the development of selfsetting sand moulding process with chemical binders was introduced , and some suggestions to the development of moulding sand process was proposed
  文摘:介绍了湿砂型膨润土砂和化学自硬砂两方面对砂型工艺的发展概况，并对福建省型砂工艺的发展提出了一些建议。