This interface is designed based on the CCITT - series recommendations.这个ISDN接口 是基于CCITT的系列建议而设计的.These tables list the information elements of the forward and backward signals for CCITT signalling systems.这些表列出了CCITT信令系...
A process for acid lead free tin - bismuth alloy electrodeposition was advanced.提出了一种酸性锡铋合金电沉积工艺.The high quality No.1 negative pole copper is produced by leaching - extraction - electrodeposition method.采用浸出 - 萃取 - 电积工艺...
The soil washed from the hills is silting up the hydroelectric dams.从山上冲刷下来的泥土就要让水电大坝淤塞了。Plans are being drawn up to build a hydroelectric station here.这里正筹划建设一座水力发电站.This machine uses the hydroelectric power.这台机器使用的是水力发...