The dustless chalk brush is I-shaped.
所述无尘粉笔刷整体呈“工”字型。
The ministry of oil, packaging department and qc, practiced dustless workshop management.
喷油部，包装部和质检部，都实行无尘车间管理。
It has also offered several methods for cleaning the fiber ends by using dustless cloth, lens wiping paper and dustless paper.
介绍了如何用无尘布、擦镜纸和无尘纸等来清洁维护光纤端面的方法。
Suitable for the cutting and rewinding for toilet paper, dustless paper, non-woven fabric, the tightness level for rewinding can be adjustable.
适应卫生纸、无尘纸、无纺布的分切复卷，复卷松紧可调。
The scheme of introducing bulk cement tanker and dustless charger for discharing end dust transport system was discussed, and the operating effect was presented.
介绍了马钢三烧在机尾除尘干灰回收工艺中为引进散装水泥罐车和无尘装车机所做的方案论证研究 ，并介绍了实际改造效果。
The dustless lead fumarate composite stabilizer has better heat stability, photostability and lubricity. Its characteristics and heat stability in PVC are better than those of other lead salts.
无尘富马酸铅盐复合稳定剂具有较好的热稳定性、光稳定性及润滑性，它的特性及其对聚氯乙烯(PVC)产品的热稳定性试验结果都比其他铅盐好。
The dustless lead fumarate composite stabilizer has better heat stability, photostability and lubricity. Its characteristics and heat stability in PVC are better than those of other lead salts.
无尘富马酸铅盐复合稳定剂具有较好的热稳定性、光稳定性及润滑性，它的特性及其对聚氯乙烯(PVC)产品的热稳定性试验结果都比其他铅盐好。
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