常見例句雙語例句However international petroleum market often changes mutably, import petroleum faces a series of risk and many insecurity factors in petroleum import trade.然而國際石油市場風云變幻，進口石油面臨石油進口貿(mào)易中的一系列風險和多因素的不安全性。Because construction circumstances of high dip angle and long inclined shaft was special, the construction was difficult and there were many insecurity factors.陡傾角長斜井施工由于施工環(huán)境特殊，施工難度大，存在諸多不安全因素。kns50.chkd.cnki.netOr digest process exist insecurity factors;或消解過程中存在不安全因素；權(quán)威例句So he understands that that creates economic insecurity, combined with all these other factors.WHITEHOUSE: White House Press Briefing 返回 insecurity factors