The producing technology ofp - dichlorobenzene especially the catalysts are described in this thesis.本文介绍了国内外对二 氯苯 生产技术特别是催化剂方面的最新进展.The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared ...
There were 8 capital English letters in each circle , which formed three homocentric circles.刺激材料是随机选取的大写英文字母,组成大 、 中、小3个同心圆圈.The bubbles of time drops . These homocentric bubbles and drops breathe and fragrant air.钟表似的同...
My body was on autopilot as I trailed through passport control, baggage reclaim and customs.我机械性地跟着通过了过境检查、行李认领和海关。The aircraft engines, autopilot, and navigation system are absolutely reliable.飞机发动机, 自动驾驶仪和导航系统绝对可靠.She ...
The credit card is then accepted, subject to verification of the signature.信用卡随后被接受, 但要核查签名.The handwriting expert attested to the genuineness of the signature.笔迹专家作证该签名无讹.My signature certifies the accuracy and complete...