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Model silindr hydrolig
1, Silindr olew dyletswydd trwm (silindr hydrolig ar gyfer peiriant rholio):
1. CD - Silindr hydrolig gwialen sengl: CDH1, CDH2, CDH2... XC, CDH3, CDM1, CDL2;
2. CG - Silindr hydrolig gwialen dwbl: CGH1, CGH2, CGH2... XC, CGH3, CGM1;
3. CS - Silindr hydrolig gwialen sengl gyda system mesur sefyllfa: CSH1, CSH2, CSH2... XE, CSH3, CSM1;
2, silindr gwialen:
1. CD - Silindr hydrolig gwialen sengl: CDT3, CD70, CD210;
2. CG - Silindr hydrolig gwialen dwbl: CGT3, CG70, CG210;
3. CS - Silindr hydrolig gwialen sengl gyda system mesur sefyllfa


















