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- Keywords hydraulic timbering;structure;current status of technology; 液压支架;架型结构;技术现状;
- DZ type outside-pourable monomer hydraulic supports are hydraulic timbering facilities used in coal mine at large. DZ型外注式单体液压支柱 ,是煤矿普遍使用的液压支护设备。
- Keywords hydraulic system;servosystem;LHD; 铲运机;液压系统;伺服系统;
- Study on Hydraulic Timber Grapple Evaluation indexes 液压木材抓具评价指标的研究
- Keywords hydraulic piston pump;teke a sample; 水力活塞泵;取样;
- Keywords hydraulic BOPs elastic sealing element; 液压防喷器;弹性密封件;
- Keywords hydraulic dumper;traveling;design; 液压翻车机;行走;设计;
- Keywords hydraulic oil;additive;ashless; 液压油;添加剂;无灰;
- Keywords hydraulic pressure scissor;cavity of pole;pressurize; 液压剪;有杆腔;密封;
- Keywords hydraulic support;green machine;control;intelligentize; 液压支架;绿色机械;控制;智能化;
- Keywords hydraulic deep penetration;perforation;unplugging; 水力深穿透;射孔;解堵;
- Keywords hydraulic fluid;glycerin;water;anti --flammability; 液压液;甘油;水;抗燃;
- Keywords hydraulic;jetting;impact;pressure;plug removal;research; 水力喷射;冲击;压力;解堵;地层;分析;研究;
- Keywords hydraulic winch;automatic tensioner;application; 液压绞车;自动拉紧装置;应用;
- Keywords Hydraulic Slipway;Hydraulic Spring;Vibration;Stability; 液压滑台;液压弹簧;振动;稳定性;
- hydraulic timbering 液压支架
- Keywords hydraulic fracture;coal dust;transfinite gas; 水力压挤;瓦斯超限;煤体压裂;裂隙带;煤尘;
- Keywords hydraulic oil;ashless;formulation;preparation; 液压油;无灰;配方;研制;
- Keywords hydraulic fracturing;microseismic wave;monitoring; 水力压裂;微地震波;监测;
- Keywords Hydraulic controtl;Vibration;Servovalve;Flow;Accumulator; 液压控制;振动;伺服阀;流量;蓄能器;
