1) two-coat
双包覆层
2) double coat
双层包覆
1.
Because of double coat,the power has very in-tense water-repellence and greatly improved water-resistance and durability.
高效防水隔热粉及其生产工艺的特点是以轻质无机物为基核，其表面经偶联剂和憎水剂双层包覆而制成，二层包覆一步完成，整个工艺一小时结束。
3) double-coated structure
双层包覆结构
1.
To investigate the conditions obtaining firm double-coated structures,the effect of excessive addition of sodium oleate on the coated structures of Fe_3O_4 nanoparticles was studied.
通过研究过量油酸钠的加入对磁流体中 Fe_3O_4 纳米颗粒表面包覆结构的影响来探讨油酸钠形成牢固双层包覆结构的条件。
4) double-covered yarn
双层包覆纱线
5) duplex-coated(fuel)particle
双层包覆[燃料]颗粒
6) BISO
双层热解碳包覆颗粒
补充资料：小双包
1.祭祀用的一种蜡烛﹐长二寸余。较长者叫做"大双包"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条