扇形

"The gear sector, toothed roller, or stud mesh es with the worm."

转向摇臂轴上装有扇形齿轮、带齿滚柱或指销，用以和蜗杆啮合。

"The gear sector, toothed roller, or stud meshes with the worm."

转向摇臂轴上装有扇形齿轮、带齿滚柱或指销，用以和蜗杆啮合。

She was initially treated with unilateral salpingo-oophorectomy and a contralateral wedge resection for tumor invasion, followed by 6-course of the PVB (cisplatin+ vinblastine+ bleomycin) regimen, second operation, and an additional 6-course EP with complete remission.

她在十三岁时接受单侧卵巢输卵管切除术及对侧卵巢扇形切除术，接著接受六次的多种药物结合的化学治疗。然后在第二次手术后，发现残余肿瘤仍然存在，又接受保留生育能力的保守手术后，再追加额外六次的不同配方的化学治疗至疾病完全消除为止。

Alternatively, a sterile stockinette rolled from toes to groin can be used. The medial portion of the rolled edge is then cut, and the upper portion of the stockinette is fanned out over the operative area and secured with clips.

或应用无菌弹力织物自足趾包绕至腹股沟，然后切除其内侧缘，织物套简的上半部分即形成扇形覆盖于手术区之上，用巾钳将其固定。

Alternatiely, a sterile stockinette rolled from toes to groin can be used. The medial portion of the rolled edge is then cut, and the upper portion of the stockinette is fanned out oer the operatie area and secured with clips.

或应用无菌弹力织物自足趾包绕至腹股沟，然后切除其内侧缘，织物套简的上半部分即形成扇形覆盖于手术区之上，用巾钳将其固定。

A delta is a vast, fan-shaped creation of land, or lowlying plain, formed from successive layers of sediment washed from uplands to the mouth of some rivers, such as the Nile, the Mississippi and the Ganges.

中文解释=三角洲是广大、扇形的新生土地或低地平原，是从高地冲刷到一些河口的沉积物一层层堆积形成，如尼罗河、密西西比河和琲e。

Every year, this inland delta system, among the largest on Earth, floods, turning a 10,000-square-mile (25,900-square-kilometer) swath at the edge of the Kalahari Desert into a soggy alluvial fan that hosts a mind-boggling diversity of animal life.

每年，这个内陆三角洲系统，其中最大的三角洲在地球上，洪水，转向把1.0万平方英里（ 2.59万平方公里）在长列的边缘的喀拉哈里沙漠变成浸水的冲积扇形许多记忆惊人的多样性动物的生活。

The two-component-spray gun S 2-k is designed and constructed for application of two component materials f.i. 2-k lacquers or glues.

双组分喷枪又称双头喷枪，由2个圆形或者扇形液体雾化帽组成喷射主体头，主要用于喷射双组分原料、双色喷涂、纳米喷镀、激光上色等高精密电子行业。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。