first coat meaning in English
底漆
底涂层
第一层漆
第一度油漆
头道灰
头道漆
一次涂层
Examples
- Two components modified aluminium pigmented epoxy for use as a first coat in ballast tanks
双组分改性环氧铝粉漆，用于压载水舱。 - The condition of secondary surface preparation prior to first coating and the total dry film thickness after final coating shall be inspected by three parties ( builder , paint maker and owner )
第一度涂装之前的二次除锈和完工涂层的干膜厚度应由三方（船厂、油漆商、船东）来检验。 - Making use of oxyen - acetlene mixed burn the torch produces high heat . after twice - through opertion spray - werkpiece . we first coat . then remelt in order to combine powder metalluegically . we may also heat large area workpiece before spraying prehwat . it guaring technology
100产品利用氧-乙炔混合燃烧产生的高热，对二步法喷焊工件进行喷粉后重熔，并可以对大面积喷涂工件进行喷前予热，保证喷涂喷焊工艺的进行。 - To get the black underglaze , the bisque was first coated with white slip with ornamental lines in black paint and then sharp tools were used to outline the patterns features . sometimes a whittling technique would be employed to expose the white bisque . the piece was subsequently coated with transparent glaze and fired in the kiln , thus creating a sharp contrast between the black and the white
釉下黑彩划花，是先在成形的坯上抹上白化妆土，再用黑彩于化妆土上绘画纹样，再用利器勾划轮廓，有些甚至加以削剔，使黑彩下的白化妆土重现，然后再施透明釉，及入烧制。 - Moreover , the two - step heat treatment method was utilized in the preparation of the films , the films prepared by the first coating with 550 ? heat - treatment and the second coating with of with 500 ? heat - treatment ( b type films ) were highly c - axis oriented with smooth , dense and uniform surface morphology
此外，结合高温和低温热处理方法优点的两步热处理法得到的b型薄膜同时具有较好的c轴择优取向性和更为平整均匀的表面形貌。另外，在硅基板上也制备出了良好的c轴择优取向性的掺杂氧化锌薄膜。