- 双语例句
1、
The regularity is significant for explaining colouration of pearl , appraising the colour and identification pearls.
这对珍珠的颜色成因解释 、 评价和鉴定均有意义.
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2、
The developments of technologies for plastics colouration with colour master - batches were mainly introduced.
重点介绍了塑料色母粒着色技术的进展.
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3、
With this special requirement of surface colouration, general dyeing process is not available.
对于这种表面着色的特殊要求, 一般染色工艺是达不到的.
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