For overcom-ing the disadvantages of these accelerators, a new sodafree WJ-1 cement accelerator has been developed. The paper discussed its physical mechanics properties, indoor test and field test results.是什么意思_For overcom-ing the disadvantages of these accelerators, a new sodafree WJ-1 cement accelerator has been developed. The paper discussed its physical mechanics properties, indoor test and field test results.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句