PCB iyi ya 900 mm yaitali yokhazikika yokhazikika imapangidwira kuti igwiritsidwe ntchito pazida zazikulu, zipangizo zamakono zamakono, ndi machitidwe ovuta monga zida zachipatala, machitidwe oyendetsa mafakitale, zipangizo zamakono zoyankhulirana, ndi zida zankhondo. PCB yokhazikika-yosinthika imaphatikizana mosasunthika ...
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