The base section deviation fpb of the base section has positive and negative points, which is greater than the nominal value of the positive deviation, and vice versa. Specific measurement method: put the measured gear on the glass table, adjust the gear so that the tooth profile of the tooth surfa-----
Electricity is a basic industry that is related to the national economy and the people's livelihood. It plays an important role in safeguarding and promoting economic growth and social development and improving people’s living standards. With the new round of global energy revolution is-----
Vigorously developing new energy sources is a major task for Weichai in implementing green environmental protection in recent years. Weichai has made substantial progress in the past year of 2012 by creating a new energy-driven, low-carbon, environmentally friendly and efficient industrial c-----
First, the supply and demand of lithium carbonate is tight, lithium in salt lake brine is the future development direction The content of lithium in the earth's crust is about 0.0065%, and the lithium-containing minerals are more than 150 minutes, mainly in the form of spodumene, lithium mica, -----
Model NO.: BW-H08 Situation: Civil Service Life: >10 Years -----
Thread Position of Valve Rod: Inside Gate Valve Usage: Flow Control Standard: ANSI -----
Model NO.: YDR-SB612 Type: H-----