墨镜有效地阻隔强光保护眼睛.Dark glasses is an effective shield against the glare.举起一张报纸阻隔. 你觉得较凉爽 吗 ?Hold a newspaper in between. Do you feel cooler?南非被阻隔于奥运会外达32年.Pretoria was barred from every Olympic competition for 32 years....
Provide accurate accounting for cash receipts, cash disbursements, and cash balances.提供正确的现金收入 、 支出和结余记录.All the accounts payable balances were aged within 30 days.所有应付账款结余之账龄均介于30天内.Interest is payable on credit balance...
目的: 观察在吸入麻醉中,麻醉气体吸附器的吸附率及影响因素.Objective : To observe the absorptivities of anesthetic gas absorber and its effected factors in inhalation anesthesia.到目前为止,也不可能使NO_4吸附器上完全无硫酸盐生成.Up to now it is impossible to prevevt the s...