The hitch of the canned-motor pump for delivering hydrofluoricacid was analyzed. The corresponding transformation was conducted in order to guarantee the pump running long period.
分析了输送氢氟酸的液下屏蔽泵产生故障的原因，进行了相应的改造，保证了屏蔽泵的长周期稳定运行。
2
Glass and metal cleaners that include hydrofluoricacid, nitrilotriacetate and phosporic acid could cause burns or irritation if staff do not use a protective barrier.
如果工作人员不做防护，包含氢氟酸、磷酸、氨三乙酸的玻璃和金属清洁剂会灼伤或刺激到皮肤。
3
The reversed mud acid is the mud acid whose concentration and volume of hydrofluoricacid is higher than that of hydrochloric acid, its treatment mechanism is identical to the mud acid.