According to the results, under the current technique term, for masson pine there is continuous oleoresin flowing for only 2 days in one borehole drilling period, and the borehole tapping is not suitable. 试验结果表明,在目前的技术条件下,马尾松钻一次孔其连续流脂时间最长为2d,不宜进行钻孔法采脂。
The control of continuous tapping 连续攻丝的控制
Failure Protection Measures for Continuous Metal-Tapping and Slagging Cupola 连续出铁出渣冲天炉故障时的防护方法
The Continuous Tapping Device and Its Use for Cupola 冲天炉连续出铁出渣装置及其使用