英语词汇gravel layer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

短语

1
C. Vibration strike: it is used in drilling and casing with loosen sand, cobble stone and gravel layer etc.
振动击打：用于松散的砂、卵石、碎石地层的钻进及下套管等。
2
There have three decisive questions need to solve while drilling in sand gravel layer. The first question is drilling footage.
在砂卵石地层中勘察钻探时，要解决三个关键性的问题：一是钻进进尺问题；
3
The invert siphon project in Zhongyishui lies in the sand and gravel layer, with rich groundwater and high seepage coefficient.
中易水倒虹吸工程建筑物所处地层为砂卵层，地下水丰富，渗透系数大。

单词	gravel layer
释义	gravel layer 简明释义砾石层：地下或地表的一层由砾石组成的地层，通常用于建筑、道路建设或过滤水源。网络释义 1 ?砾石层砾石层短语 1 graded gravel layer 承托层 2 sand-gravel layer 砂砾石层 3 sand gravel layer 砂卵石地层双语例句 1 C. Vibration strike: it is used in drilling and casing with loosen sand, cobble stone and gravel layer etc. 振动击打：用于松散的砂、卵石、碎石地层的钻进及下套管等。 2 There have three decisive questions need to solve while drilling in sand gravel layer. The first question is drilling footage. 在砂卵石地层中勘察钻探时，要解决三个关键性的问题：一是钻进进尺问题； 3 The invert siphon project in Zhongyishui lies in the sand and gravel layer, with rich groundwater and high seepage coefficient. 中易水倒虹吸工程建筑物所处地层为砂卵层，地下水丰富，渗透系数大。
随便看	symplast symplast transport symplectic symplectically symplectic bone symplectic difference scheme symplectic geometry symplectic group symplectic integrator symplectic invariant symplecticity symplectic manifold symplectic mapping symplectic matrix symplectic pencil symplectic space symplectic structure symplectic transformation symplectic transformation group symplectite symplectomorphism symplectoteuethis oualaniensis Symplegades symplektite symplektitic