查询词典 perforating

Methods 196 patients with perforating appendicitis were randomly divided into drainage group and non - drainage group.

方法将196例穿孔性阑尾炎患者随机分为引流组和非引流组，比较术后两组切口感染、肠粘连发生率以及术后病人的住院天数。

When perforating through several strings of pipe, deep penetrating charges may be necessary to obtain effective penetration.

当经过几个穿弦烟斗、深穿透费可能要获取有效渗透。

Acute perforating Objective To study the clinical value of peritoneal cavity non - drainage after the operation of appendicitis.

目的探讨穿孔性阑尾炎术后不放置腹腔引流对临床疗效的影响。

Aiming at perforating charge shell, the extrusion technology was analyzed.

针对射孔弹壳体挤压件进行了工艺分析。

The sustainability of perforating casing with screw holding is analysed by using the finite element software ANSYS.

文章利用ANSYS有限元分析软件，对螺旋布孔射孔套管的承载能力进行了分析。

It also points out the adaptive condition of this tool, and tells about the role in perforating, fracture-distinguishing and cementing quality of wells.

对仪器信号的影响因素及其测井应用进行了分析，指出了仪器的适用条件，阐述了其在射孔和裂缝识别以及固井质量评价中的作用。

Perforatig rules: Steel rules which has a series of cuts for perforating sheet of paper.

打孔线：有着一串切口，用来在纸上打孔的钢线。

The secondary factors are the number of holes and perforating rebar,the size of each test piece and so on.

结果表明，影响PBL键极限承载力的主要因素是钢板孔洞大小、贯通钢筋的大小和强度、混凝土强度和箍筋强弱；其次是每个试件的孔洞个数和贯通钢筋个数以及试件尺寸等。

For example, numbering and perforating can be carried out as an in-line operation after printing.

印刷后跟着进行印号码和打排孔的联动操作。

Had the perforating data been sorted out?

射孔数据整理好了吗？

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。