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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. 在塞體中的隔膜破裂，以便使水泥漿能在底塞到達止塞箍以后通過(guò)。
- 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. 由外殼、鎖緊座和球座等組成。鎖緊座與球座通過(guò)銷(xiāo)釘連接，憋壓座掛后再加壓，球座脫落，循環(huán)重新暢通。
- The pilot manages to glide down to a safe landing. 駕駛員設法使飛機滑行下降安全著(zhù)陸。
- Your room opens off the top landing. 你的房門(mén)朝向頂層樓梯平臺。
- The land is laid down with red or white clover. 這塊土地種上了紅花和白花苜蓿。
- The place used to be a stretch of barren land. 早先這里是一片不毛之地。
- Swans are surprisingly awkward on land. 天鵝在陸地上笨得出奇。
- There is no safe landing on that coast. 那一帶海岸沒(méi)有安全的登陸處。
- That remote barren land has blossomed into rich granaries. 過(guò)去的窮鄉僻壤變成了富饒的谷倉。
- The land flattens out near the coast. 海岸附近地勢變得很平坦。
- Powerful shock absorbers cushion our landing. 有效的減震裝置緩解了我們著(zhù)陸時(shí)的沖撞力。
- The blizzard blotted out the sky and the land. 暴風(fēng)雪鋪天蓋地而來(lái)。
- The storm blew fiercely over land and sea. 暴風(fēng)雨猛烈地吹過(guò)陸地和海面。
- How they long to get a sight of their native land! 他們多么渴望看一看故鄉??！
- He came and staked out a claim to the land. 他來(lái)提出要求說(shuō)那塊地應歸他占有。
- He makes a grant of land to his son. 他將土地受讓給他的兒子。
- The land is destined for a new shopping center. 這塊地已被劃作為營(yíng)建一個(gè)新購物中心之用。
- The land is to be sold with plan permission. 這塊地與建筑許可證一并出售。
- The spy was dishonourably banished from, the land. 那個(gè)間諜被不光彩地驅逐出境。
- The land dips sharply to the south. 那塊地向南急速傾斜。
