Under certain circumstances, including material processing more cost - effective, time - saving effort.一定情况下, 包料加工更经济实惠 、 省时省力.Easy to operate time - saving , labor - saving, high efficiency, low failure.操作简单、省时省工 、 效率高 ...
The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.照像材料含有亲水胶体的感蓝卤化银卤剂层.No colloid, surfactants or emulsifying agents are employed in the process.本法不使用胶 、 表面活化剂或乳化剂.This ...
There was a serving spoon missing when Nina put the silverware back in its box.尼娜将银餐具收拾到盒子里去的时候发现少了一把调羹。Everton paraded their recently acquired silverware.埃弗顿展示了他们最近获得的银杯。a piece of silverware一件银器Ensure a sufficient supp...