But for thoroughly solving the problem, the diameter of anchor hole should be enlarged further or non-binding stranded steel wire should be used.
但要从根本上解决进浆管堵塞还需增大一级锚孔孔径或改用无粘结钢绞线材料等。
Small diameter cone bit positioning deflection by wire-line coring with steel ball supporting was used to solve the problem economically.
采用绳索取心钢球支撑小径锥面钻头定位偏斜技术对事故进行处理，经济有效。
Copper wire, 0.020-inch diameter, is used when a wire seal is necessary. Wire sealing is a practice for the security of selected switches, levers, switch guards, etc.
02英寸直径的铜质保险丝仅用于固定电门、电门保护罩、推/拉杆等，以防止非故意操作。
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