After changing the tool rest Angle, fasten screws.
搬动刀架角度后，必须紧固好螺丝。
The shape of model sand particle play an important role in submarine rest angle, starting speed, bulk specific weight and some other physical characters.
颗粒形貌对模型沙的水下休止角，起动流速、 堆积密度等性能有显著影响。
The velocity control of blow air into space between grates and out of coal layer, relations between the angle of slag dischcarge and rest angle are presented.
分析了固定层煤气炉存在的问题，提出了吹风入炉箅气室气流速度控制，吹风气出炭层气流速度控制，煤气炉排渣角与炉渣安息角的关系等论点，并提出了具体的煤气炉改造方法。
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