Main topsail: Shows the topsail added to the Main Mast.
主上桅帆：显示了主桅上的上桅帆。
Main mast top Looking down on the main mast top, you can see through the lubber hole, and the dead-eyes.
主桅杆顶向下看去，在主桅杆桅楼，你可以看到穿过水手孔，和死眼。
Pathological changes for the main mast facet osteoarthritis and spinal canal stenosis, and segmental instability, disc degeneration, spondylolisthesis and spinal ligament calcification, and other.
病理改变主要表现为关节突肥大性骨关节炎及椎管狭窄，以及节段性失稳、椎间盘退变、脊柱滑脱及韧带钙化等。
I placed my palms against the main-mast, which was of a goodish bigness, and waited, every nerve upon the stretch.
我抱住相当粗的主桅等着，每一根神经都绷紧了。
These quantitative results might be served as the main morphological parameters of distinguishing the two types of mast cells.
这些定量结果与我们对该细胞所作的组织化学反应结果一致，可作为区分这两类肥大细胞的主要形态学指标。
The heterogeneity is one of the main points in study on the mast cells.
目前对肥大细胞研究的焦点之一就是肥大细胞的异质性。
The paper introduces the develop and manufacture situations of the prestressed reinforced concrete mast for the high capacity headspan suspension and its main advantages.
本文介绍了大容量预应力钢筋混凝土软横跨支柱的研制情况及主要优点，对试用中发现的问题，提出了改进意见，并建议在电气化铁路上推广使用。
Main parts such as crownblock, mast, substructure, rotary table and travelling system of drilling rig meet API standard.
钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。
This colossal beam is a yard; that great column of wood which stretches out on the earth as far as the eye can reach is the main-mast.
那条巨梁是一根挂帆的横杠，那根倒在地上长到望不见末梢的柱子，是一根大桅杆。
This colossal beam is a yard; that great column of wood which stretches out on the earth as far as the eye can reach is the main-mast.
那条巨梁是一根挂帆的横杠，那根倒在地上长到望不见末梢的柱子，是一根大桅杆。
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