英语词汇landing collar怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
The landing collar comprises housing, ball seat and latch.
由外壳、锁紧座和球座等组成。
2
The internal components of the landing collar are generally fabricated from plastics, cement and other drillable materials.
坐放箍的内部部件一般由塑料、水泥和其它可钻材料制成。
3
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。

单词	landing collar
释义	landing collar 简明释义吊环网络释义 1 ?吊环 ... land sediment 陆相沉积物 landing collar 吊环 Landsat imagery 陆地卫星成象 ... 双语例句 1 The landing collar comprises housing, ball seat and latch. 由外壳、锁紧座和球座等组成。 2 The internal components of the landing collar are generally fabricated from plastics, cement and other drillable materials. 坐放箍的内部部件一般由塑料、水泥和其它可钻材料制成。 3 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。
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