我国尾矿存有量超过百亿吨，且每年以几亿吨的速度增长。
The capacity of tailings in China is more than one hundred million tons with several million tons of growth rates every year.
他在那边工作赚钱，且每年把赚到的钱大部分寄给母亲和妻子。
He got lucrative employment, and every year he sent home as much as would comfortably support his wife and mother;
检查井的沉降给社会带来很大危害，且每年用于维修检查井的费用也在递增。
The hazard of our society has been introduced by settlement of inspection chamber in road, and the fee of maintenance and overhaul are incrementing every year.
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