SELLINE rau qhov teeb meem ntawm qhov tsis muaj peev xwm ntawm hmoov ntim hmoov:

1. Cov kev sib txheeb ntawm cov ntim yog ntawm hmoov ntim tshuab thiab kauv: hmoov ntim cov hmoov ntim ntau, muaj cov khoom tshwj xeeb me me hauv thaj tsam ntawm 5-5000 grams. Qhov kev tso cai pub mis txoj kev noj mov yog KAUV PUB DAWB, thiab tseem tsis muaj qhov hnyav tam sim. Ntsuas kev ntsuas. Muab kauv tawm yog qhov volumetric meter kev. Qhov sib xws ntawm cov ntim ntawm txhua tus kauv suab yog qhov xwm txheej uas txiav txim qhov ntsuas kom raug ntawm cov hmoov ntim hmoov. Ntawm chav kawm, lub suab, txheej uas hla, thiab kauv hniav cov hniav kom kauv cuam tshuam rau cov khoom ntim thiab nrawm.
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2. Qhov kev sib raug zoo ntawm lub ntim khoom ntawm lub tshuab ntim hmoov thiab cov ntim sab nraud ntawm cov hmoov ntim hmoov uas muaj qhov sib raug zoo nrog cov cheeb tsam ntawm tus kauv. Qhov yuav tsum tau ua ntej rau kev sib raug zoo nrog lub suab yog tias lub taub ntawm cov kauv ntawm cov kauv ntawm cov kauv tau txiav txim siab. Feem ntau hais lus, cov hmoov ntim hmoov feem ntau txiav txim raws li qhov loj me uas yog xaiv lub ntsuas ntawm cov khoom kuj tseem xav tias yuav tsum tau hloov kho kom zoo. Piv txwv li, thaum peb lub tshuab ntim ntim tshuab hluav taws xob me me 100 grams ntawm cov kab kauv nrog cov cheeb tsam ntawm 38 grams, ib tug kauv, ib tug kauv, ib tug kauv, ib tug kauv nrog txoj kab uas hla ntawm 32mm yog siv. Uas yog hais, qhov loj dua lub qhov loj dua, qhov loj dua txoj kab uas hla ntawm cov kauv xaiv, yog li ua kom meej meej ob qho ntsuas nrawm nrawm thiab ntsuas qhov tseeb yog;

3. Qhov kev sib txheeb ntawm lub ntim khoom ntawm cov ntim hmoov thiab lub zog pitch: li cas ntim khoom siv tau ntawm hmoov ntim tshuab thiab tus kauv? Ntawm no peb tuaj yeem ua piv txwv nrog cov piv txwv. Piv txwv li, peb cov txuj ci ntim ntim tshuab puas yog a φ30mm sab nraud uas kauv thaum ntim 50 grams ntawm cumin hmoov. Lub suab peb xaiv yog 22mm, qhov tseeb ntawm ± 0.5 grams yog saum toj 80%, thiab qhov sib piv ntawm ± 1 grams yog saum toj 98%. Txawm li cas los xij, peb tau pom tias cov counterparts muaj cov qe nrog txoj kab uas hla rov qab φ30mm thiab lub suab ntau dua 50 hli. Yuav ua li cas? Kev txiav ceev yog heev sai sai, thiab ntsuas qhov tseeb yog txog ± 3 grams. Cov qauv kev lag luam "QB / T2501-2000" yuav tsum tau x (1) cov ntsuas qib ntsuas kom muaj cov ntaub ntawv tshwj xeeb ntawm ≤50 grams thiab ib qho kev sib txawv ntawm 6.3%.


Lub Sijhawm Post: Dec-08-2021