two-ton
2.Well, that reminds me of the time I got hit by a pickup when I was driving my two-ton van.
8.The virus particle containedtwo protein subunits,their electrophoresis molecular weights were about 45900 Dalton and 20400 Dal-ton reapectively,And they were composed of l8 kinds amino acids with 255 reeidues,Genome nucleicacid of the virus consisted of two components RNA,their molecular weights were about l320000 Dal-ton and 2340000 Daltun respectively.
9.The main equipments are: one 5-ton-copula,one 3-ton-copla,eight 5-ton-crane,one 10-tonresin sand mixer,one 5-ton resin sand mixer,two molding machines of 148 type,two shell moulding core shooters,one S112 sand mixer,one S114 sand mixer,one large size shot-blaster and one barreltype shot-blaster,a 10-ton resin sand regenrating device,and complete equipments of chemical and physical test in the lab.

