例句與造句

1. The recoil reducer consists of two elements; the apparatus that connects to the stock via the buttstock compartment, and the mercury element that is inserted into the recoil apparatus.
2. Due to the sensitivity of liquefaction facilities to sulfur and mercury elements, the gas being sent to the liquefaction process shall be accurately refined and tested in order to assure the minimum possible concentration of these two elements before entering the liquefaction plant, hence there is not much concern about them.
3. It's difficult to find mercury element in a sentence. 用mercury element造句挺難的