slab grain 中文意思是什麼
slab grain
解釋
矩形截面藥柱-
Based on rizhao port bulk grain wharf construction, this paper presents a simple, practical and efficient construction technique of post - tensioned pre - stressing concrete beam and beam - slab
摘要以日照港散糧碼頭施工為例,介紹一項簡單、實用、高效的后張預應力梁及梁板的施工工藝。
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