结合某矿分段空场嗣后一次充填采矿法的多年实践，分析了充填接顶和采场脱水问题的产生原因，详细叙述了控制空场嗣后一次充填质量的改进技术。
Combining with several years experience on open stope backfill in one time, the causes of the problems were analyzed and some technique improvements were put forward.
该机生产出的包装袋为枕型形状，可适用于各行各业颗粒状的自动包装需要，可一次完成袋充填、封合、计数。
This series machines are suitable for packing pillow-shaped granular products. Automatically accomplish packing, making, filling, cutting, sealing and counting.
目的评价急性牙髓炎一次性根管充填法治疗的疗效。
Objective Evaluation one-time root canal treatment acute pulpitis effect.
在完成充挤压充填作业之后上提服务工具，一次性关闭本层留井管柱上的监测滑套和压裂滑套。
Upon completion of the treatment, the service tool was repositioned to close the monitoring sleeve and the frac sleeve in one upward movement.
全自动从上料，计量，充填，制袋，日期打印到产品输送一次完成。
The machine can finish automatically all processes, from measuring, filling, bag making , dage stamp and finished goods conveyance.
该机生产出的包装袋为枕型形状，可适用于各行各业片剂的自动包装需要，可一次完成制袋充填，封合，计数。
This series of machines are suitable for packing of pillow-shaped of table. Automatically accomplish packing, making sack, filling, cutting, sealing and counting.
通过改进，克服了原来一次性高压充填机械防砂技术有效期短的缺点，有效提高了一次性防砂成功率。
The period of validity of one-off high pressure pack mechanical sand control technology has been extended. The success ratio of one-off sand control has been improved.
本机电子秤计量、制袋、充填、打印日期、封口、切断一次完成。
Electronic scales measuring the machine, bag making, filling, date printing, sealing, cutting off one time.
单支包装，充填、包装一次完成。
结论严格掌控适应症，一次性根管充填可以进行慢性牙髓炎及慢性根尖周炎的治疗。
Conclusions One-time root canal filling can be applied in the treatment of chronic pulpitis and periapical periodontitis with a strict control of indications.
目的探讨一次性根管充填治疗慢性牙髓炎、根尖周炎的方法和效果。
Objective To discuss the method and effect of one-time root canal filling in treating chronic pulpitis and chronic periapical periodontitis.
目的探讨一次性根管充填治疗慢性牙髓炎、根尖周炎的方法和效果。
Objective To discuss the method and effect of one-time root canal filling in treating chronic pulpitis and chronic periapical periodontitis.
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