羥乙基纖維素是一種白色或淡黃色,無味、無毒的纖維狀或粉末狀固體, 由堿性纖維素和環氧乙烷(或氯乙醇) 經醚化...
INTELLIGENT SCHEDULING SYSTEM
CERAMIC TILE ADHESIVE
IP INTERCONNECTION SYSTEM
RADIO SWITCHING SYSTEM