To measure tensile strength and breaking elongation of single yard.
测定单根纱线的抗拉断裂强力和断裂伸长。
This kind of device employs advanced laser scanning measuring technique, which can measure automatically the coal storage in the open coal yard without necessity of shaping coal pile beforehand.
它采用先进的激光扫描测量技术，可以在不对煤堆进行事先整形的情况下自动测量出大型露天煤场的存煤量。
The anti leakage measure for pit of the yard, returning water design of the pump station of floating ships for the first period and related circumstances are discussed in detail.
详细论述了堆场矿坑防渗措施，一期浮船泵站回水设计及相关情况。
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