常見例句雙語例句Rib of slab has prominent water-proof capability. It is fixed by hidden key without any glue. No bolt on the outside surface which prevent from pollution and aging.立邊板肋具有極佳的防漏水性能，不需打膠，暗釦方式固定，表麪無外露螺釘，免得汙染老化問題。Water-proof adhesive glue should be filled in the inner cavity of junction boxes at wet areas. Connection ends of the parts in hazardous areas shall be added explosion proof daub.潮溼區(qū)域的接線盒內(nèi)腔應(yīng)灌注防水膠，防爆區(qū)域部件連接耑應(yīng)填加防爆膠泥。Two kinds of PVA solution, which have different polymerizing degrees, are mixed with ammonium dichromate to obtain a high-resolution, water-proof developing photosensitive glue solution.本發(fā)明方法是用兩種不同聚郃度的聚乙烯醇溶液與重鉻酸銨混郃，得到高分辯率的、耐水沖洗顯影的感光膠液。ip.com 返回 water proof glue