island arc是什么意思

用法例句

Design and Application of a Spinal Arc Auto-retractor;

脊柱弧形自动拉钩的设计与术中应用

The fair faced concrete floor of Report Hall of the National Conference Center has a big cross-section with stair steps and takes on arc form in plane.

国家会议中心工程报告厅弧形大截面台阶式楼截面尺寸大,平面呈弧形,针对其结构复杂、施工难度较大等特点,对钢筋、模板、混凝土的施工采取了一系列技术措施,达到了清水混凝土的效果。

The development of arc shaped wheel tread contour for railway cars is described generally.

概述了我国铁路车轮弧形踏面外形的研制情况,介绍了多种弧形踏面的特征和加工检验方

Production of joint fabrics of yarn-curved fabric and leno;

经向弧形与纱罗联合织物的生产

Design of tapered Ⅰ-section arc-shaped beam-column with holes in web;

腹板开圆孔工字形变截面弧形压弯构件设计

The structure, working principle and controlling way of the arc-shaped linear motor which runs on the ferromagnetic pipeline as the secondary pole are discussed in detail.

较详细地论述了一种依托于铁磁性材料制成的管道为次级的弧形直线感应电动机的结构、工作原理,为管道爬行器提供体积小、动力足、安全可靠的驱动方式,与老式旋转电动机比较,它在未来管道爬行器驱动方面具有更广阔的前景和优势。

Analysis of internal force of outer shaft lining of high strength reinforced concrete arc plank in deep frozen shaft;

深冻结井高强钢筋混凝土弧形板外壁内力分析