< span class="field__item-wrapper">
压缩机 < div class="field field-node- node-title field- formater -ds-field -name-node-title field-type-ds field-label-hidden has-single">
< divclass="field field-node——field-suhead field- formater -string field-name-field-suhead field-type-string field-label-hidden has-single">
复杂的选择过程可能会使这些常见的设备项对说明符变得神秘。