useful adj. 1.有用的,有益的,有效的,有帮助的。 2.〔俚语〕值得称赞的,精通…的 (at)。 make oneself generally useful 事事有用,事事帮得来忙 (He must make himself generally useful. 他可事事都干得来)。 a pretty useful performance 相当精采的演出。 His wife is very useful at cooking. 他的妻子很会做菜。 adv. -ly ,-ness n.
It can extend the useful time of the lye inside the bottlewasher 1 - 3 times and even more after using the lye recycling purifier 使用碱液回收过滤机后能够延长洗瓶机碱液使用时间1倍? 3倍,甚至更多。
Due to we e ure the product quality of co truction , which reduces the direct cost of our partner , and we also develop the useful time that saves much maintenance costs , which brings owners large economic benifit . of course from which we also win a large of sum invisible a et which is the magic weapon which we take advantage of to be succe ful in the keen market competition 由于我公司保证了施工产品的质量,不但降低了甲方生产的直接成本,而且由于提高了产品的使用寿命而大大节省了维修费用,从而给业主带来了巨大的经济效益,我们从中也获得了一笔丰厚的无形资产,这些就是我们在激烈的市场竞争中取胜的法宝。