They are on course to get down to the required depth in August.
按规定，它们要在八月份达到要求的深度。
Variety of construction steel technology indicators still need to be further improved, especially in seismic performance indicators is required depth study.
建筑用钢品种的技术指标尚需进一步完善，尤其是抗震性能指标的制定需要深入的研究。
Variety of construction steel technology indicators still need to be further improved, especially in seismic performance indicators is required depth study.
建筑用钢品种的技术指标尚需进一步完善，尤其是抗震性能指标的制定需要深入的研究。
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