而且笨重造成运输困难，凝胶时间长，除非需要浓度非常高的胶体。
It is also bulky to transport and needs long gelling times unless used at very high concentrations.
广泛应用于震动幅度大、冲击频率高、作业时间长、环境恶劣的各类工程机械，压路机、挖掘机、矿山运输车辆等。
Be widely applied on various construction equipments with some features, big vibration and shock frequently, working long time, terrible environment machines, such as roller, grab, mine transporter.
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