基础释义
例句

福克斯词典 \ 英汉词典 \

helical stair是什么意思？

helical stair

相关单词 helical stair

例句

He heard soft footsteps coming up the stair. 他听见有人上楼的轻微脚步声。
His office is down the stair. 他的办公室在楼下。
Shuanglong's stair - arm belt will bring a brand - new colour with your escalators. 双龙扶手带为您的自动扶梯增添崭新的光彩.
Methods: The root canalroot canal orifice burs and helical drilling bits were prepared in advance. 方法: 采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管.
The stair treads were covered with rubber to prevent slipping. 楼梯踏板上覆盖着橡胶以防滑.
Objective To study the diagnosis value of helical CT singlet hilum of lung and mediastinal lymphadenectasis. 目的探讨螺旋CT对单纯肺门纵隔淋巴结肿大的表现及诊断.
Loading dock. Stair , ladder, and dock leveler can be shown or hidden. 装卸口. 可显示或隐藏楼梯、扶梯和装卸台.
The high laevorotation of L - cystine depends on a specially helical structure of its molecular. 指出了L - 胱氨酸高度的左旋性是由其分子的特殊螺旋结构决定的.
Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry. 已经证实病毒有两种对称型, 即立体对称和螺旋对称.
In a globular protein, certain portions of the chain are coiled into helical segments. 在球状蛋白中, 链的某些部分被盘成螺旋状.

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