Ho phatloha: ho fafatsa tšepe e thunngoeng ke mafome, mafome, ponahalo ea tšepe e benyang haholo, 'me e ka ba 40 ~ 70μm.Ho roala ho fafatsa: matlafatsa epoxy ea mashala a boleng bo khethehileng, kapa primer, lerama la 5, bohareng ba lesela la khalase ea epoxy, 0.9 ~ ~ 1m ...
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