常見例句There's no toilet paperin the bathroom. 廁所內(nèi)沒有衛(wèi)生紙.That is, the growing demand for paperin recent years is largely due to the increased use of the Internet.（NMET2003. 也就是說近年來人們對于紙張的日益需求主要是由于因特網(wǎng)越來越多的使用。Based on a grey control system, the coal working face blasting model of open pit mine in the paperin order to control the coal size optimizely is presented in this paper. 分析了巖體弱面對掏槽效果和破碎塊度的影響,從而提出相應的布孔方法,對指導爆破施工、設(shè)計有實際指導意義。 返回 Paperin