The result shows that the more the binder material or sand rate, the more serious the shrinkage cracking.
研究结果表明：随着胶结料总量和砂率的增大，高强高性能混凝土的收缩开裂趋于严重；
2
The causes to such defects as cracking and sand inclusion in the integral rear draft lug and the body center plate filler are analyzed, and the technology improvement measures are described.
分析了一体式后从板座及上心盘座裂纹、夹砂等缺陷产生的原因，并介绍了工艺改进措施。
3
Dongying North part deep sand Shasi low Subsegmental of gas condensate methane and ethane are lighter isotopes shows that Cracking gas oil characteristics, rather than kerogen pyrolysis gas.