碎土塊機 的英文怎麼說
中文拼音 [suìtǔkuāijī]
碎土塊機
英文
clod breaker-
The series feeder is in front of selecting machine, as a function to pre - selecting, as to strengen the capability of primary crushing
該系列給料機用於粗碎破碎機前大塊物料的均勻給料，同時由於棒條篩面的作用，又能除掉泥土等細碎物料，達到預篩分功能，能夠提高粗碎能力。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。A farm implement consisting of a heavy blade at the end of a beam, usually hitched to a draft team or motor vehicle and used for breaking up soil and cutting furrows in preparation for sowing
犁一種農具，由在一根橫梁端部的厚重的刃構成，通常系在一組牽引它的牲畜或機動車上，用來破碎土塊並耕出槽溝從而為播種做好準備
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