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- Keywords perforating machine;rolling centerline;measuring of height mark;adjusting of centerline; 穿孔机;轧制中心线;标高测量;中心线调整;
- This paper introduces research and development of DH pneumatic perforating machine, hydraulic percussion hammer and trajectory -controlled pneumatic perforating machine and their application. 非开挖技术在国际发展迅速，在我国尚有差距，本文介绍我国DH气动穿孔机、液压冲击锤、轨迹可控气动穿孔机的研制及工程应用情况。
- Keywords Perforating flap;Microdissection;Perineum; 关键词穿支皮瓣;显微解剖;会阴;
- Measuring and Adjusting of the Rolling Centerline of the Perforating Machine 穿孔机轧制中心线测量与调整
- Keywords perforating technology;modularization;orientation;technology; 射孔技术;模块化;方位;工艺;
- Keywords perforating cartridge;ring initiation;bulkhead;penetration depth; 射孔弹;环形起爆;隔板;穿深;
- Keywords perforating;testing;hydraulic jet;triplex operating;production testing; 射孔;测试;水力射流泵排液;三联作;试油;
- Keywords perforating gun;leakage;fluid desensitized;detonator;shaped charges;boosting train;safety protection; 射孔枪;泄露;液体钝感;电雷管;装药结构;传爆序列;安全保护;
- Keywords Perforating corneoscleral injury;Traumatic cataract;Early surgery;Intraocular lenes; 角巩膜穿孔伤;外伤性白内障;早期手术;人工晶状体;
- Keywords Perforating technology;Throw guns tubing convey perforating;Application; 射孔技术;丢枪式油管输送射孔;应用;
- perforating machine 穿孔机,打眼机
- sheet-metal perforating machine 金属薄板冲孔机
- stamp perforating machine 邮票打孔机
- Keywords Perforation;Omental sac pneumatosis;Gastroentestine; 关键词穿孔;网膜囊积气征;胃肠;
- sausage perforating machine 灌肠打孔机
- Keywords perforator;perforate;liner;ratio of oil productivity; 射孔弹;射孔;药型罩;产油率;
- perforating machin 穿孔机
- ultrasonic perforating machine 超声波钻床
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
