每个单元均由肋木框架构筑而成，框架固定在花旗松高跷上，然后覆以英国栗木。
Each unit is constructed from a ribbed timber frame set upon Douglas fir stilts and then clad in English chestnut shingles.
水平导轨框架固定于所述撑杆的水平部。
A horizontal guide frame is secured to the horizontal part of the stay rod.
采用刚性框架固定极线，以防止其在高气速下摆动。
The cathode wires are fixed in a rigid frame to prevent swing of wire at high gas velocity.
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