Cov khoom siv ua liaj ua teb, cov plows thiab cov shovels

1, Khoom siv: Ua los ntawm 65Mn caij nplooj ntoos hlav hlau lossis cov hlau carbon zoo, cov hniav no dhau los ntawm kev kho cua sov kom raug (quenching thiab tempering) kom ua tiav qhov nyuaj thiab hnav tsis kam ntawm ntug txiav, thaum tswj hwm qhov tawv zoo heev hauv ntug tsis txiav kom zoo tiv thaiv chipping.

2, Kev Siv Tshuab: Xaiv cov qauv muaj kev kho mob tshwj xeeb rau ntawm ntug txiav, ua rau muaj kev tiv thaiv kev hnav ntau dua 50% piv rau cov hniav txheem, txo qhov zaus hloov pauv thiab cov nqi ua haujlwm mus sij hawm ntev.

3, Peb muaj ntau hom qauv (xws li cov chisel shovels, duck-foot shovels, wide shovels, thiab lwm yam), uas tuaj yeem hloov kho tau zoo rau ntau hom plows xws li moldboard plows, reversible plows, thiab amplitude-modulated plows ntawm cov hom lag luam hauv tsev thiab txawv teb chaws.

Cov hniav coulter, uas yog ib feem tseem ceeb ntawm kev ua liaj ua teb uas tau teeb tsa rau ntawm pem hauv ntej ntawm lub khais, hu ua "cov hniav ntse ntawm lub khais." Nws lub luag haujlwm tseem ceeb yog nkag mus, txiav, thiab rhuav cov av thaum lub sijhawm ua liaj ua teb, tsim kom muaj ib puag ncig xoob, tiaj tus, thiab nplua nuj rau kev cog qoob loo thiab kev loj hlob ntawm cov qoob loo tom qab. Tsim los ntawm kev siv cov thev naus laus zis siab heev thiab cov ntaub ntawv zoo, peb cov hniav coulter muaj kev tiv thaiv kev hnav zoo heev, muaj peev xwm rhuav cov av zoo, thiab lub neej ua haujlwm ntev, ua rau lawv yog qhov kev pabcuam tseem ceeb rau kev ua liaj ua teb niaj hnub no thiab ua haujlwm tau zoo.