OLV70 Cov Kua Rau Tes Ua Kua nplaum

Ntxuav qhov chaw tsim kho kom huv si kom tsis muaj roj thiab av qias neeg.
1. Txoj kev sib txuas qhuav (haum rau cov khoom siv sib dua thiab cov pob qij txha nrog lub zog me me), rho tawm ntau kab ntawm cov kua nplaum iav hauv cov duab "zigzag", txhua kab yog 30cm sib nrug, thiab nias sab nplaum rau qhov chaw sib txuas, tom qab ntawd maj mam rub nws sib nrug thiab cia cov kua nplaum iav valoit rau 1-3 feeb. (Piv txwv li, thaum qhov kub ntawm qhov chaw tsim kho qis lossis cov av noo siab, lub sijhawm kos hlau tuaj yeem ntev dua, thiab nws nyob ntawm qib ntawm valoitization.) Tom qab ntawd nias rau ob sab;
2. Txoj kev sib txuas ntub (haum rau cov pob qij siab, siv nrog cov cuab yeej clamp), siv cov kua nplaum iav raws li txoj kev qhuav, thiab tom qab ntawd siv cov clamps, cov ntsia hlau lossis cov ntsia hlau thiab lwm yam cuab yeej los clamp lossis khi ob sab ntawm kev sib txuas, thiab tos kom cov kua nplaum iav khov Tom qab (kwv yees li 24 teev), tshem cov clamps. Kev piav qhia: Cov kua nplaum iav tseem tuaj yeem txav mus los hauv 20 feeb tom qab sib txuas, kho qhov chaw sib txuas, nws yuav ruaj khov dua thiab khov kho 2-3 hnub tom qab sib txuas, thiab qhov zoo tshaj plaws yuav ua tiav hauv 7 hnub.