grout bag

例句：

1. 1. The construction crew used a grout bag to mix the concrete.
   建筑工人使用砂浆袋来混合混凝土。
2. 2. The engineer had to retrieve the grout bag from the hole.
   工程师不得不从洞里取出砂浆袋。
3. 3. The grout bag was filled with water, ready for use.
   这个砂浆袋装满了水，准备使用。