Nūhou
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Nā kūlana nānā no nā maka lapaʻau
ʻO ka pale pale lapaʻau e pili ana i ka maʻamau GB19083-2003 "Nā Manaʻo ʻenehana no nā Masks Protective Medical". ʻO nā hōʻailona ʻenehana koʻikoʻi e pili ana i ka maikaʻi o ka kānana ʻana i nā mea ʻaila ʻole a me ka pale ʻana o ka ea: (1) Filtration efficiency: Ma lalo o ke kūlana o ke kahe o ka ea ...Heluhelu hou aku -
ʻO ka hopena o ke ahulau lei aliʻi hou i ke kālepa haole a me nā hoʻokuʻu aku
Ua hoʻopilikia ʻia ka ʻōnaehana kalepa nui o nā ʻāina ʻē I Pepeluali, ua ʻike ʻia ka emi ʻana o ka nui o nā kālepa kālepa a Kina. ʻO ka nui o nā kālepa kālepa i hāʻule i ka 15.9% makahiki i ka makahiki i ka 2.04 trillion yuan, ma lalo o 24.9 mau pakeneka mai ka 9% ulu ulu i Dekemaba i ka makahiki i hala. Ma ke ʻano he hoʻomohala ...Heluhelu hou aku -
Nā pōmaikaʻi o ka hoʻohana ʻana i nā kaʻa lawe crawler i ka mahiʻai
He mea akamai, liʻiliʻi ka nui, maʻalahi a māmā i ka hoʻokele ʻana, a ʻoi aku ka maikaʻi o ka hoʻololi ʻana i nā hiʻohiʻona paʻakikī. No ka poʻe mahiʻai huaʻai, pono nā kaʻa kolo no ka hoʻoponopono ʻana i ka nui o nā pilikia mālama hua a me nā mea kanu. No laila, ʻo ia ka ...Heluhelu hou aku -
ʻO nā ʻano like ʻole a me nā koi o ka hana ʻana o nā ala lāʻau
ʻO ka Perface Rubber track he lāʻau a me ka metala a i ʻole nā mea fiber composite o ka lipine apo, me ke kaomi liʻiliʻi liʻiliʻi, ka traction nui, ka liʻiliʻi liʻiliʻi, ka haʻahaʻa haʻahaʻa, ka maikaʻi o ka māla maʻemaʻe, ʻaʻohe pōʻino i ke alanui, ka wikiwiki o ka hoʻokele, ka liʻiliʻi liʻiliʻi a me nā hiʻohiʻona ʻē aʻe, hiki ke hoʻololi i kahi hapa ...Heluhelu hou aku -
Ka nānā 'ana i ke kūlana o kēia manawa o ka 'oihana ka'a ka'a
ʻO nā ala Rubber nā ala i hana ʻia me nā mea ʻili a me nā mea iwi, i hoʻohana nui ʻia i nā mīkini hana, nā mīkini mahiʻai a me nā mea kaua. Ka nānā ʻana i ke kūlana o kēia manawa o ka ʻoihana kaʻa kaʻa Ua hoʻomohala mua ʻia nā track Rubber e The Japanese Bridgestone Corporation...Heluhelu hou aku -
ʻO ka nānā ʻana i nā ala ʻōpala
Abstract（1） Ua aʻo ʻia nā pono pili o nā kaʻa pneumatic a me nā ala kila maʻamau i hoʻohana ʻia ma nā traktor mahiʻai a ua hana ʻia kahi hihia no ka hiki ke hoʻohui ʻia nā pono o nā mea ʻelua. Ua hōʻike ʻia ʻelua mau hoʻokolohua kahi i hoʻopili ʻia ai ka hana tractive o nā ala hao ...Heluhelu hou aku