intelligent high vol tage switchgear 智能化高压开关设备
VOL CANO HIGH 火山高中
The High Priest of Vol 沃尔血族高阶祭司
Comparing with traditional cast-in-site concrete piles, the new-type piles have such advantages including big section moment of inertia and high bearing capacity of unit vol...
与传统灌注桩相比，新型桩具有截面惯性矩大、单方混凝土承载力高等优点。
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