基本解释勾縫刀同根派生 pointing trowel相关词英汉例句Cement pointing is harder than soft brick or stone.在混凝土上勾縫比在軟性甎或石頭上更難。We have basically finished the construction of this house and just need to do the final step of pointing.這座房子基本已經蓋好，就是差最後勾縫了。pointing trowel更多例句专业释义土木建築工程勾縫用細長抹子經濟學勾縫刀