grout filler
... grouted rubble masonry 毛石混凝土建筑 grout filler 灌缝砂浆 grout for bonded tendon 粘着预应力钢筋的灌浆 ...
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严禁先堆砌石块再用砂浆灌缝。
It is strictly prohibited to stack rocks with mortar first again filled seam.
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