常見(jiàn)例句There is no single laser fit for all purposes. 沒(méi)有單一種激光器能適用於各種用途。How does a laser beam vaporize steel? 激光束是怎樣使鋼氣化的?Laser beams are also used in surgery. 激光束還可用於外科手術(shù)。Laser beams may cauterize and heal ulcers. 激光束可以燒灼和瘉郃潰瘍。He monopolizes the laser printer. 他獨(dú)佔(zhàn)了這臺(tái)激光打印機(jī)。A laser is a device composed a special material. 激光器這種器件是用特殊材料制成的。 返回 laser-assisied