Optimum selection of the technological parameters of plasma spraying and field tests show that spraying COWC35 wear-resistant coating on the surface ofdrawworks brake drum is preferable.是什么意思_Optimum selection of the technological parameters of plasma spraying and field tests show that spraying COWC35 wear-resistant coating on the surface ofdrawworks brake drum is preferable.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句