dac diem bien toc thuy luc, nguyen ly, ung dung

dac diem ket cau, nguyen ly hoat dong ,ung dung cua khop noi thuy luc

uu nhuoc diem truyen dong thuy luc

ung dung truyen dong khi nen duoi tau thuy

cac phan tu co ban trong truyen dong khi nen

dac diem cua truyen dong khi nen

cac loai quat gio duoc ung dung duoi tau thuy