您要查找的是不是：
- quaternary laser 四元激光器
- The Quaternary sediments are largely undeformed. 第四纪的沉积物大部分未变形。
- Cationics are usually quaternary ammomium salts. 阳离子表面活性剂通常为季铵盐类。
- Design of quaternary Schmitt circuits. 四值施密特电路设计。
- IS THERE REALLY QUATERNARY GLACIATION ON LUSHAN? 庐山真的有第四纪冰川吗?
- There is no single laser fit for all purposes. 没有单一种激光器能适用于各种用途。
- How does a laser beam vaporize steel? 激光束是怎样使钢气化的?
- Laser beams are also used in surgery. 激光束还可用于外科手术。
- Laser beams may cauterize and heal ulcers. 激光束可以烧灼和愈合溃疡。
- He monopolizes the laser printer. 他独占了这台激光打印机。
- The cover rocks are marine mudstone from Pliocene to Quaternary. 储层发育有砂岩、灰岩（礁灰岩）、基岩等。
- A laser is a device composed a special material. 激光器这种器件是用特殊材料制成的。
- Late Quaternary Hydrographic Records from the South China Sea I . 南海晚第四纪古水文之探讨I.
- The laser jet printer is out of order. 这台激光打印机不能正常工作了。
- Woolly mammoths died out during the late Quaternary period. 猛犸象在第四纪晚期灭绝了。
- On a lazy laser raiser lies a laser ray eraser. 在一个懒惰的激光器上放了一个激光消除器。
- Quaternary overburden is completely developed with thick layer. 第四系松散堆积层发育完全,厚度大。
- The price of the laser printer is too high. 这台激光打印机的价格太高了。
- Can doctors use laser to treat my cataract? 医生可否用激光为我治疗白内障?
- Zhuhai Yuemao Laser Facility Engineering Co., Ltd. 珠海粤茂激光设备工程有限公司。
