砂礫管 的英文怎麼說
中文拼音 [shālìguǎn]
砂礫管
英文
sand pipe-
For accumulating heat from piping and making as even the temperatures in various spaces betwiin pipes an possible, gravel foundation is first laid, mortar is mixed fully by mixing ratio of 1 : 2, the floor is finished level and then perfect curig in damp condition is carried out
為保證管路間蓄熱和溫度均勻應鋪下砂礫層后進行配比為1 : 2的灰漿完成處理,不僅要保證地板水平,還要在濕潤狀態下自然乾燥,使得到徹底的養護,人為的養護會導致地板雛裂,應予以注意。Discussion on the pile foundation parameter of driven cast - in - place file supporting course in slightly dense gravelly beds
稍密狀礫砂層作沉管灌注樁持力層的樁基參數確定探討Gravel paching method for sand control in cased hole
油井套管內礫石充填防砂工藝方法
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