surface treating造句怎么写

3、More than 90 percent of the effluents from surface treating is disposed of by chemical methods abroad.

5、Installing an "u" style pipe in surface treating system can increase the "water seal" level of the liquid-gas separator to prevent the intermittently ejecting of gas from fluid outlets.

2、For improving the surface performance, and then increasing the life of casting die, all kinds of surface treating technologies have been developing.

1、CE modified by nano-SiC with KH-560 and SEA-171 as surface treating agent

4、The methods that can improve the silver alloys' anti-tarnish capability like surface treating, as well as precious metals alloying, base metals alloying and rare earth elements alloying are summarized.