Mgbawa agbawa: ịgba nchara nchara nchara Sa5 njide, nchara, nchara, ọdịdị ọla nke ekpughere nke ukwuu nke ọla ọcha na-acha ọcha, oke ịdị elu nke 40 ~ 70μm.Mkpuchi mkpuchi: wusie ọkwa ọkwa coal tar epoxy pụrụ iche, ma ọ bụ primer, ntì 5, clip etiti etiti akwa akwa iko epoxy anọ, 0.9 ~ ~ 1m ...
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