有一种叫做沟槽支撑的东西——一种用于挡住沟壁的金属箱体——挖土超过五英尺约1.5米时，用它来防止塌方。
There's something called a trench box - a metal case that holds back the sides of the walls - to be used to stop them caving in when you dig deeper than 5ft.
该玻璃钢材料可以代替金属板材制造货运火车的车厢箱体、轮船的外 壳船体。
The glass fiber reinforced plastic material can replace metal plates to produce the carriage body of a cargo train and the hull of a steamship.
给出了利用RP技术制造非金属原型的工艺流程，介绍了无模具熔模铸造箱体铸钢件的工艺过程。
The processing procedure of prototype making by rapid prototype and the production process of cast steel box without wax pattern in investment casting were described.
在所述蓄冰槽箱体中，过冷水滴撞击金属丝网进行解冷。
In the ice storage tank, the supercooled water drop impacts a metal mesh for de-cold.
柔性拉伸部分有金属托架，金属托架的两端挂于箱体的两侧。
The flexible stretching part is provided with a metallic support rack, and both ends of the metallic support rack are hung on both sides of the box body.
柔性拉伸部分有金属托架，金属托架的两端挂于箱体的两侧。
The flexible stretching part is provided with a metallic support rack, and both ends of the metallic support rack are hung on both sides of the box body.
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