Through piping model test and pump unit trial it is shown that with the two types of isolating shims the vibration acceleration of the piping system can be reduced evidently.
经管路模型试验和水泵机组试验证明,这两种隔振垫可使管路系统振动加速度级明显下降。
the devaluation caused by inflation has reduced the rouble to a worthless monetary unit.
通货膨胀导致的贬值使卢布沦为毫无价值的货币单位。
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