On the Structure of " Nationality Corridor " and " Two Verticality & Three Horizontality "
論 “ 民族走廊 ” 及 “ 二縱三橫 ” 的格局.
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Elasticity deformation of belt can be produced during operation and cause verticality change of roller.
帶式輸送機(jī)的輸送帶在工作運(yùn)行過程中會產(chǎn)生彈性變形,并在托輥間引起垂度變化.
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