laid length
1.Although the design of floor heating does not have a problem, but if blueprint paper was not pressed completely in worker construction process,operate, jerry to reduce cost, reduce the laid length of pipe for instance, increase the space of conduit, also can cause central heating to be not heated up.
3.The scanning process mathematical models based on polar coordinates is established, laid on the foundation of the scanning processing mathematical models of the Length-alterable Line-scanning and point-scanning Laser rapid prototyping system based on cartesian coordinates.
6.The completion of the chess-board shaped public fiber backbone network, composed of 8 east-to-west and 8 north-to-south fiber-optic cables has brought the length of the country fiber-optic cables to 1 million kilometers. Several international land and submarine optical cables have been laid, the China-Japan and the China-ROK submarine optical cables and the Trans-Asia-Europe Land Optical Cable.
