jumbolter

常见例句

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.
經過幾年對錨杆鑽機的跟蹤研究,發現錨杆鑽機在圍巖作業中常遇到軟巖中有硬巖夾層的現象,造成施工過程經常更換鑽具的問題。
Keywords Pin timbering Jumbolter Current development status;
錨杆支護;錨杆鑽機;發展現狀;
Keywords jumbolter;circumgyrate;impinge;coal mine;application;
錨杆鑽機;鏇轉;沖擊;煤鑛;應用;
Keywords planetmotor;hydraulic jumbolter;constant voltage;load-sensitiveity;
掘進機星輪馬達;液壓錨杆鑽機;恒壓;負載敏感;
hydraulic jumbolter
液壓錨杆鑽機