Pakali pano, kugudubuza zitsulo kumagwiritsidwa ntchito kwambiri m'makampani, omwe makamaka akuphatikizapo mitundu iwiri, yomwe ndi yotentha yopukutira mphero ndi mphero yozizira. Ndipo pali mitundu yambiri yazogulitsa ndi mitundu yosiyanasiyana. Komabe, kugudubuza chitsulo mu mawonekedwe a billet k......
Werengani zambiriMasiku ano kutsirizitsa mphero kukanikiza dongosolo, lamba pulley wa synchronous limagwirira wokutidwa mu wononga, lamba dzino lamba limapangidwa pa mbali khoma la nyumba yokhazikika, kuthamangitsidwa kwa lamba lamba lamba lamba kumavulala patsinde lokhazikika, olamulira okhazikika mozungulira lamba......
Werengani zambiri