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- A diaphragm in the plug body ruptures to allow the cement slurry to pass through after the plug reaches the landing collar. 在塞体中的隔膜破裂，以便使水泥浆能在底塞到达止塞箍以后通过。
- The landing collar comprises housing, ball seat and latch. The latch holds ball seat through pins. After the hanger is set, pressure is applied to release the ball seat. 由外壳、锁紧座和球座等组成。锁紧座与球座通过销钉连接，憋压座挂后再加压，球座脱落，循环重新畅通。
- The pilot manages to glide down to a safe landing. 驾驶员设法使飞机滑行下降安全著陆。
- Your room opens off the top landing. 你的房门朝向顶层楼梯平台。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- The place used to be a stretch of barren land. 早先这里是一片不毛之地。
- Swans are surprisingly awkward on land. 天鹅在陆地上笨得出奇。
- There is no safe landing on that coast. 那一带海岸没有安全的登陆处。
- That remote barren land has blossomed into rich granaries. 过去的穷乡僻壤变成了富饶的谷仓。
- The land flattens out near the coast. 海岸附近地势变得很平坦。
- Powerful shock absorbers cushion our landing. 有效的减震装置缓解了我们著陆时的冲撞力。
- The blizzard blotted out the sky and the land. 暴风雪铺天盖地而来。
- The storm blew fiercely over land and sea. 暴风雨猛烈地吹过陆地和海面。
- How they long to get a sight of their native land! 他们多么渴望看一看故乡啊！
- He came and staked out a claim to the land. 他来提出要求说那块地应归他占有。
- He makes a grant of land to his son. 他将土地受让给他的儿子。
- The land is destined for a new shopping center. 这块地已被划作为营建一个新购物中心之用。
- The land is to be sold with plan permission. 这块地与建筑许可证一并出售。
- The spy was dishonourably banished from, the land. 那个间谍被不光彩地驱逐出境。
- The land dips sharply to the south. 那块地向南急速倾斜。
