Bearingmetal tin can up closed and reduce friction role.
轴承金属镀锡可起密合和减磨作用。
2
The reasonable bonding joint between load-bearingmetal parts and composite for the present of a certain torpedo is decided to achieve the ideal bonding and leakproof.
Miners must drop metal tokens bearing their identification Numbers into a wooden box decorated with the colors of the Hungarian flag before gathering in a wooden elevator to take them into the shaft.