青年中文gravel layer的意思
gravel layer中文翻譯：
礫石層；疏水石
gravel───n.(Gravel)人名；(英、法、西)格拉韋爾；n.碎石；砂礫；vt.用碎石鋪；使船擱淺在沙灘上；使困惑
layer───vt.把…分層堆放；借助壓條法；生根繁殖；將（頭發）剪成不同層次；n.層，層次；膜；[植]壓條；放置者，計劃者；vi.形成或分成層次；[植]通過壓條法而生根
gravel lock───碎石閘
gravel rash───礫石皮疹（非正式）
clingstone gravel───粘石礫石
gravel binder───礫石粘結劑
aquarium gravel───水族館礫石
outer layer───外層（細胞次生壁外面的一層）
tamping gravel───夯實碎石
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處地層為砂卵層，地下水豐富，滲透系數大。
C. Vibration strike: it is used in drilling and casing with loosen sand, cobble stone and gravel layer etc.───振動擊打：用于松散的砂、卵石、碎石地層的鉆進及下套管等。
There have three decisive questions need to solve while drilling in sand gravel layer. The first question is drilling footage.───在砂卵石地層中勘察鉆探時，要解決三個關鍵性的問題：一是鉆進進尺問題；
Composite sealing layer is a combination of connected gravel layer, gravel layer sealing systems, and Micro-surfacing(Slurry seal)system.───復合封層是碎石聯結層、碎石封層系統和微表處（稀漿封層）系統的結合。
Based on a high-rise residential building project, studied the high pressure jet grouting application in the gravel layer.───然后以一高層住宅樓為依托，研究了高壓噴射注漿法在卵石層中的應用。
Under the reticulate red clay in Changsha has a broad gravel layer.───在長沙的網紋紅土下，有著寬廣的沙石層。
Karez water is leaking through the mountain snow water flow inside the gravel layer of diving.───坎兒井的水源就是山上的雪水經過滲漏流礫石層里的潛水。
Experimental study on the thermal characteristics of gravel layer in a solar thermal energy conversion system for house heating───用于房屋取暖的太陽能熱轉換系統卵石層熱特性的實驗研究
The application in double liquid grouting technology in water plugging and concretion construction of sand gravel layer───雙液注漿固結砂卵石層止水施工技術的應用
Railway jacking bridge engineering passing through sand pebble (gravel) layer, because it is a complex loose coarse fragment accumulation layer, the roadbed must be reinforced.
A layer of clay particles placed under the gravel layer is beneficial.
There have three decisive questions need to solve while drilling in sand gravel layer. The first question is drilling footage.
To of the bottom gravel layer , its distregulation and lithology are analyzed and studied.
Gravelly - sand over an iron - pan and gravel layer.
Thermal characteristics of the gravel layer in the system heated by hot water natural circulation with solar collector were studied.