Lifts and service lifts. drawn steel wire for elevator ropes. specifications.
载客电梯和货梯。电梯缆索用冷拔钢丝。规范。
For wire drawing die, extend the service life of die.
护拉丝模具，延长模具的使用寿命。
The string wire stress gauges were used in the field service.
现场实测采用钢弦式钢筋应力计。
The string wire stress gauges were used in the field service.
现场实测采用钢弦式钢筋应力计。
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