超前小导管注浆加钢支撑是隧道工程辅助开挖的一种施工工艺,特别适用于地质条件不良的隧道施工。
The pump pouring liquid with the supporting of steel by a small pipe is one of the add craft in tunnel construction and it is fit for tunnel project in bad geology condition.
坐在怀普加河旁的营火边,一位名叫丹尼尔·乔的毛利丛林向导谈到鳗鱼的钢性力量。
A Maori bush guide named Daniel Joe spoke of the staying power of eels as we sat by a campfire on the Waipunga River.
玻璃钢夹层结构的导弹包装箱比加肋玻璃钢导弹包装箱具有更高的刚度、强度和稳定性,更能满足产品设计要求。
Missile packing box of FRP sandwich construction has higher stiffness, strength and stability than ribbed FRP missile packing box, it can meet higher requirement of product design.
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