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- gypsum hardener 石膏硬化剂
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- Don't harden your heart against him. 别对他硬心肠。
- Hemihydrate can be used instead of gypsum. 半水物硫酸钙可以用来代替石膏。
- Please harden in the main ropes, the sail's not tight enough! 请把主要的绳索拉紧些，帆扯得不够紧！
- A dense translucent, white or tinted fine-grained gypsum. 雪花石膏一种不透明的、白色或浅色的纹理细密的石膏
- Anneal means make harden steel soft and remove brittleness. 退火就是使淬火钢变软并消除其脆性。
- The gypsum slurry is pumped into a diked area. 我们用泵将石膏料浆打到一块用堤围起来的空地中。
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的，如波特兰水泥
- This method of handling gypsum is satisfactory. 这种输送石膏的方法是令人满意的。
- Gypsum is the product of the process. 此方法的产物为石膏。
- He often went to the gym to harden his muscles. 他过去常到健身房锻炼肌肉。
- Up to 5% of gypsum can be added to cement products. 水泥成品中最多可以添加5%25的石膏。
- They harden clay by putting it in a fire. 他们把粘土坯放在炉火里使其变硬。
- Huoxingbaitu, bentonite series products, gypsum. 活性白土，膨润土系列产品，石膏。
- Gypsum line to avoid parch and split up. 石膏线避免干裂松动。
- They let the liquid harden on a glass surface. 并让液体在玻璃表面硬化，
- Gypsum can be used as a soil conditioner. 石膏可以用作土壤改良剂。
