pellet diameter 中文意思是什麼
pellet diameter
解釋
球團粒徑-
Since the pebble structure is of big pellet easy to be permeated ant it is difficult to smash and drill, the appliance with big diameter and deep cast - in - place pile has been greatly restricted
卵石地基具有顆粒大、透水性強、進尺和破碎困難、容易垮孔等困難,限制了大直徑深孔鉆孔灌注樁在其中的應用。
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