蜜桃臀人妻丰满熟妇av无寂寞少妇色诱高潮内射在线视频|上海老熟女啪啪露脸高潮|粗暴蹂躏人妻av一区二区三区|国产av综合第1页|耻虐人妻|丰满少妇熟妇|日本少妇高潮喷水免费观看|女人扒开屁屁让男人捅|他揉我奶子|狂插少妇喷水,狂插处女,亚洲一区日本av,欧美丰满老熟妇bbbbbb多人

中文版 | English |
Home > News >
  • 25
    2019-09

    Safety regulations of reinforced bending machine

    Workbench and bending plate should maintain a level, before operation should check iron core shaft, shaft, gear shaft, variable block crack or damage, shield is firm and reliable, after confirmed by the idle running normal, can work...
  • 15
    2015-07

    The difference between reinforced bending hoop machine and bending machine

    According to the survey, stirrup bender and the function of the steel bar bending machine is the same, is used for bending steel. Just, stirrup bender is generally used to reinforced bending diameter smaller, while steel bar bending machine can be used to reinforced bending diameter larger...
  • 15
    2015-07

    Steel bar bending machine use matters needing attention

    When 1, will be reinforced to turn a head of inserted in the rotary table with a fixed gap, on the other side close to the fuselage fixed pressure with the hand, check the fuselage is fixed, does Ann in the side of the block reinforcement can start.
    2, work it is forbidden to replace the spindle and commutation Angle and speed regulating operation, nor may it gas or clear...
  • 15
    2015-07

    What are reinforcing steel cutter model

    Steel cutting machine is a kind of shear reinforcement used by a tool. Generally there are automatic bar cutting machine, and semi-automatic bar cutting machine. It is one of the essential to the processing of steel equipment, it is mainly used in buildings, Bridges, tunnels, power stations, such as large water conservancy project in fixed length cutting of reinforcement...
  • 15
    2015-07

    The characteristics of the steel bar cutting machine and classification

    Cutting machine is fully automatic cutting machine of steel bars and semi-automatic cutting machine. Automatic cutting machine is also called the electric cutting machine is electric energy through the motor is converted into kinetic energy control cutter incision, to achieve the effect of shear reinforcement. Is manual control incision for semi-automatic cutting machine, to shear reinforcement operation...