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真划算!一支铅笔相当于80支传统木质铅笔,一支可用一年。“写不断铅笔”与传统铅笔相比,优点如下:1.免削。传统的木质铅笔经常要削,写不断铅笔由于其内部的特殊构造,笔芯放进去后用力压和敲打都不会折断,不需用刀来削;2.免按。笔头采用弹道式装置,全自动出示笔芯、边写边出笔芯,免去了现有的自动铅笔需要不断按
Really worthwhile! A pencil is equivalent to 80 traditional wooden pencils, one available for one year. “Write continuous pencil ” Compared with the traditional pencil, the advantages are as follows: 1 free cut. Traditional wooden pencil often want to cut, write pencil because of its special internal structure, after the pen into the pressure and beat will not break, do not need to use a knife to cut; Written using ballistic devices, automatic production of refills, while writing side out of the pen, eliminating the need for the existing automatic pencil press