差除
差除-
一组新系列低压差除渣器的设计与应用
Design and Application of a new Series of Centricleaners Operating at Low Pressure Drops
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但是由于其水溶性低，生物利用度差，目前除应用其泻下作用外，其它药理活性还没有应用于临床。
However , all of them have poor water solubility and poor bioavailability . Their therapeutic applications are limited in cathartic .
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水平预裂加垂直孔孔间或排间微差爆一次性挖除；
Horizontal presplit blasting together with short delay blasting between vertical holes or rows of holes ;