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- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- Comparison of in-situ measured ground heat fluxes within a heteorogeneous urban ballast layer 在非均匀的城市ballast层里原地测得的地面热通量的比较
- The ship was furnished with ballast. 船上装了压舱物。
- Comparison of in-situ measured ground heat fluxes within a heterogeneous urban ballast layer 在一个非均相城市道碴层现场测得的地面热通量的比较
- In-situ Experiment on the Cooling Effect of Closed Ballast Layer on Permafrost on the Tibetan Plateau 青藏高原封闭道碴层对下部多年冻土保护作用的现场实验研究
- Research on critical heights of ballast layer in embankment based on convection effect in cold regions 基于对流效应的寒区路堤块石层临界高度研究
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The ballast placed in the ship can keep the ship steady. 放在船上的压舱物可以保持船的平稳。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使气球飞得更高。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- A layer, as of doubled-over cloth or of paperboard. 一层一层,如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- Arc lamps require a current-limiting ballast. 弧光灯需要一个限流镇流器。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Not stabilized or properly stabilized by ballast. 不稳定的未用压舱物稳住的
- To fill(a railroad bed) with or as if with ballast. 铺沙石用或似用沙石铺(铁路路基)