短语词组短语etch back 回蚀;回蚀刻;深蚀刻;凹蚀etch trench 腐蚀槽Etch cleaning 酸洗;[冶]浸蚀清洗etch uniformity 均匀性;蚀刻选择比carbide etch 碳化物腐蚀etch figures 蚀象;侵蚀图polishing etch 抛光腐蚀液;抛光腐蚀Tobacco etch 烟草蚀纹病毒病 返回 etch