2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ob tus kws kho mob tau tsim lub saw saw hauv 1780 kom tshem tawm cov pob txha hauv plab yooj yim dua thiab siv sijhawm tsawg dua thaum yug menyuam. … Lub chainsaw tau siv sai sai rau lwm yam kev txiav cov pob txha thiab txiav hauv chav phais.
Thaum twg lawv tau tso tseg tsis siv saws tes rau kev yug menyuam?
Cov txheej txheem tau raug hu ua symphysiotomy thiab tseem siv hauv kev kho mob raws li cov kws phais tau pom tias nws tuaj yeem ua haujlwm tau zoo npaum li cas hauv lwm qhov xwm txheej, xws li kev txiav tawm. Nws kav dhau ntau xyoo pua 19 ua ib feem ntawm lub thawv phais kom txog rau thaum C-sections loj hlob tuaj.
Puas yog chainsaw tsim rau kev yug menyuam?
Yog, thawj chainsaw tiag tiag tau tsim los siv thaum yug menyuam- txawm hais tias ua tsaug nws yog qhov kev quaj deb ntawm cov hluav taws xob uas cov neeg txiav ntoo nrog niaj hnub no. Tus qauv yog tsim los ntawm ob tug kws kho mob Scottish - John Aitken thiab James Jeffray - nyob rau hauv lub xyoo pua 18th, rau cov txheej txheem ntawm symphysiotomy.
Thaum twg 1 chainsaw tau tsim?
Lub hauv paus pib ntawm cov saw saw niaj hnub no tau sib cav. Thawj chainsaw yog tsim los ntawm German orthopaedist Bernhard Heine hauv 1830. Nws hu ua osteotome, los ntawm Greek osteo (pob txha) thiab tome los yog tomi (txiav); lus, tus pob txha. Lub chainsaw no, nrog rau ntau tus ua raws, tau siv rau kev kho mob.
Husqvarna chainsaw zoo tshaj plaws puas tau ua?
YBest Husqvarnachainsaws
- Husqvarna 455 Rancher gas chainsaw: Cov roj chainsaw zoo tshaj plaws. …
- Husqvarna 120i cordless chainsaw: Lub roj teeb zoo tshaj plaws-powered chainsaw. …
- Husqvarna 435e II gas chainsaw: Tus nqi zoo tshaj Husqvarna chainsaw. …
- Husqvarna 460 Rancher chainsaw: Zoo tshaj plaws chainsaw. …
- Husqvarna 120 Mark II chainsaw: Zoo tshaj rau cov hauj lwm me.
Pom zoo:
Puas chainsaws tau tsim los pab kev yug menyuam?
Tshaj plaws, lub saw saw yog thawj tsim los pab kev yug menyuam - yog, koj nyeem qhov raug. Ua ntej qhov kev phais mob tau ua ib qho kev xyaum, tag nrho cov fetuses yuav tsum dhau los ntawm txoj kev yug me nyuam. … Txhawm rau ua kom cov txheej txheem yooj yim dua, ob tus kws phais neeg Scots tau tsim lub saw saw hauv xyoo pua 18.
Vim li cas kuv thiaj tsis tsim nyog tsim lub npe siv hauv facebook?
Muaj ntau qhov laj thawj vim li cas koj tab tom ntsib qhov tsis tsim nyog los tsim lub npe siv yuam kev rau koj nplooj Facebook. Tus neeg siv lub npe koj xav tau twb raug coj los ntawm lwm tus neeg siv. Koj tus username luv dhau los yog ntev dhau lawm.
Puas yog chainsaws Ameslikas tsim rau kev yug menyuam?
Tshaj plaws, lub saw saw yog thawj tsim los pab kev yug menyuam - yog, koj nyeem qhov raug. Ua ntej qhov kev phais mob tau ua ib qho kev xyaum, tag nrho cov fetuses yuav tsum dhau los ntawm txoj kev yug me nyuam. … Txhawm rau ua kom cov txheej txheem yooj yim dua, ob Scots kws phais neeg tsim lub saw saw nyob rau xyoo pua 18th.
Kev sib raug zoo txhais tau tias yog vim li cas lossis vim li cas ho tsis?
Kev ntsuas kev sib raug zoo rau kev sib raug zoo ntawm ob qhov sib txawv. Txawm li cas los xij, pom ob qhov sib txawv txav mus ua ke tsis tas txhais tau tias peb paub seb ib qho txawv txav ua rau lwm qhov tshwm sim. Qhov no yog vim li cas peb feem ntau hais tias "
Vim li cas lub khoos phis tawj pab tsim tsim tseem ceeb?
Nws pab cov neeg siv tsim qauv hauv 2D lossis 3D komlawv tuaj yeem pom kev tsim kho. CAD tso cai rau kev txhim kho, hloov kho, thiab ua kom zoo ntawm cov txheej txheem tsim. … Ua tsaug rau CAD, engineers tuaj yeem ua tus sawv cev kom raug ntau dua thiab hloov kho tau yooj yim los txhim kho kev tsim qauv zoo.
