弹簧装置主要故障有哪些?
参考答案:
表现为:弹簧裂纹、折断、刚度变差、偏斜,上下座板裂纹,弹簧减振胶垫老化、变形、破裂等。主要原因是在振动载荷作用下导致疲劳、材质不良等。
圆盘铸锭机
tomorrow, our ship will set sail for Macao.
A.However the weather is like
B.However is the weather like
C.Whatever is the weather like
D.Whatever the weather is like