< div class="field field-node- node-title field- formater -ds-field -name-node-title field-name-node-title field-type-ds field-label-hidden has-single"> 选择正确的耦合器
< div class="field field-node- field-suhead field- formater -string field-name-field-suhead field-type-string field-label-hidden has-single">选择泵和电机之间的耦合器时,重要的考虑因素是什么?