Simbi pombi inoshandiswa kutakura mvura uye yakasimba hupfu, kupisa kupisa, kugadzira michina michina uye midziyo, chinhu chehupfumi. Simbi yekuvaka chimiro nesimbi truss, mbiru uye mekiniki rutsigiro, inogona kuderedza huremu, kuchengetedza 20 ~ 40% simbi, uye inogona kuona mechanized constru...
Verenga zvimwe