压槽（knocking out the groove），是在书籍的前後封和书脊联接的部位压出一条宽约3mm的软质书槽的工艺。 在一些较长的阀芯上开一些深度0.5-0.8mm宽为1-5mm的凹槽来减小压力叫凹槽。
... 压槽knocking out the groove 压光装饰mill finish 压缩，压应力，数据压缩compression ...
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低压槽 [气象] trough ; trough of low pressure ; pressure trough ; The passage of a depression
压槽器 groover ; Regroover For Em Tyres
压槽锤 [机] fullering tool ; [机] fuller
夹压槽 Cannelure
压槽铁锤 TOP FULLER
暖流低压槽 [气象] warm trough
赤道低压槽 equatorial trough
压槽机 book joint setting machine ; book joint setting mvery singleine ; notching-machine
气压槽 pressure trough
在黄淮地区破裂井壁治理技术中，开切环形卸压槽是最关键的技术之一。
In the prevention techniques of fracture shaft lining in the Yellow and Huai River areas, the channeling of circular relieving slot is one of the key techniques.
在阀芯上开均压槽用来减少卡紧力的方法已经在实际中得到了广泛的应用。
The method of chamfer equalizer-slot in the spool, which used to decrease the tightening force, was wildly used in the practical application.
并进行了实验室的模拟试验，得出了煤巷卸压槽开挖后煤体周围应力分布状态。
The analogue experiment hasbeen made in laboratory. The state of stress distribution around coal body can be obtained when stress relaxationgroove of coal tunnel has been developed.
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