- preboring
- predrilling
- subdrill
- 预 in advance; beforehand
- 钻 drill; auger
- 预钻孔 pre-drill; predrilling; vorbohren rough-bore
- 木枕预钻孔 preboring of wooden tie
- 预钻插桩法 socketing pile in prebored hole
- 预钻钉眼 preboring for nails
- 预钻孔点 predrill points
- 预钻孔锚 drilled anchor
- 沿着预钻孔点 follow predrill points
- 验证预钻孔点 verify predrill points
- 预钻孔进刀点 pre-drill engage points
- 预钻孔深(攻螺纹用) depth of tadrill
- 预组圬工 prefabricated masnry; prefabricated masonry
- 预组装检验 temporary assembly inspection
- 预组合时间 prc-assembly time; pre release
- 预组购件 prefabricated parts
- 预组 preassembling
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- Specification for side - pressure test of type ty predrill
Py型预钻式旁压试验规程 - Specification for sidepressure test of type ty predrill
Py型预钻式旁压试验规程 - Drilling method of pin hole : the pin hole shall be predrilled by supplier prior to hot dip galvanization
销钉孔的钻法:销钉孔应为供应商在热镀锌预钻好。 - Please use guide sleeve to protect the bit or tap and avoid the bit or tap slip during the work
为了保护钻轴寿命之长久及中心距离之准确度预钻之工作物须加用衬套并密著于工作物上。
Last modified time:Tue, 19 Aug 2025 00:29:56 GMT