螺纹嵌入件应该在工厂安装以确保门合页、插销和门挡安全牢靠。
Threaded inserts shall be factory installed for securing door hinges, latches and door stops.
通过强度校核，证明此种螺纹法兰安全可靠。
Strength check proves this threaded flange safe and reliable.
目的探讨自制光索支撑引导行钢丝螺纹管气管内插管在困难气管插管中应用的有效性和安全性。
Objective Explore self-supporting optical cable line guide wire threaded pipe endotracheal intubation in difficult intubation time of the application of the efficacy and safety.
灯具螺丝安装孔的螺纹能够保证安全地安装和拆除。
Threads intended to receive holding installation and removal of knurled headed screws.
目的评价EH复合型颈椎螺纹融合器(EHTFC)的有效性和安全性。
Objective To evaluate the effectiveness and safety of the cervical threaded fusion cages of EH composite type (EHTFC).
当岩心筒在井下被卡住时，很容易地从安全接头螺纹处倒开，起出内筒和岩心，只留下外筒进行打捞。
When coring barrel gets stuck downhole, it is very easy to back off safety joint to trip out inner barrel and cores, and only left outer barrel for fishing operation.
结论应用双螺纹加压螺钉内固定术治疗老年股骨粗隆间骨折，手术创伤少，并发症少，死亡率低，优良率高，是目前治疗老年股骨粗隆间骨折病人较安全的一种内固定方法。
Conclusions the internal fixation with compressive screw is a safer treatment to the elderly patients with intertrochanteric fracture, which is an operation with little trauma and less complications.
带有螺纹旋进强度的焊接阀座能够为短时排放提供更高水平的安全性能。
Valves with threaded-in strength welded seats offer an additional level of safety against fugitive emissions.
带有螺纹旋进强度的焊接阀座能够为短时排放提供更高水平的安全性能。
Valves with threaded-in strength welded seats offer an additional level of safety against fugitive emissions.
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