Connection between handrail and platform beam shall be welding. It shall be 8mm weld around the base plate of past on side.There shall be gap for water outlet.是什么意思_Connection between handrail and platform beam shall be welding. It shall be 8mm weld around the base plate of past on side.There shall be gap for water outlet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句