Ihe yiri mgbaaka nke U, nke a na-ejikarị arụpụta usoro hydraulic na akara azụ. A na-ejikarị ya eme ihe na ihe ndị na-ewu ụlọ hydraulic cylinder seal. A na-ejikarị mgbanaka rụọ ọrụ maka akara akara na akara akara na-agbanwe agbanwe. Mgbe ejiri ya mee ihe mmegharị Rotary, ọ nwere oke njedebe pere mpe ...
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