Txheej txheem cej luam
Lub luag haujlwm tseem ceeb ntawm cov kab ntau lawm: tsheb pem hauv ntej rail crashworthiness thiab log casing los ua ke ntau lawm kab.
Cov txheej txheem sib dhos: lub tsheb ib feem mus rau txoj haujlwm thiab kuaj - neeg hlau tso qhov chaw - HY1165A-290 lob cov khoom thiab muab tso rau hauv qhov chaw tsheb - Thaum qhov chaw nres tsheb puv, hais kom cov neeg ua haujlwm hloov cov khoom.
Lub phiaj xwm muaj 2 pawg ntawm HY1165A-290, 2 pawg ntawm Chaw nres tsheb, 2 pawg tuav thiab lwm lub tsev.
Kev tiv thaiv kev ruaj ntseg ntawm chaw ua haujlwm, kev tiv thaiv kev ua haujlwm ntawm qhov chaw ua haujlwm, nrhiav kom pom kev ua haujlwm zoo, nrhiav qhov chaw nres tsheb khoob.
Cheebtsam lub tsheb positioning thiab nrhiav kom tau, tivthaiv tsheb thib ob pem teb khoom khib tswj, khoob thiab tag nrho lub tsheb tswj.
