该组合物包含颗粒研磨材料、以及赖氨酸、任选的氧化剂、和为此的含水载体。
The composition comprises a particulate abrasive material in combination with lysine, an optional oxidizing agent, and an aqueous carrier therefor.
蝶型止回阀占用空间最小，还有旋启式止回阀，则适用于包含颗粒或碎片的流体。
Butterfly Check Valves have minimum space requirements and, along with Swing Check Valves, are better for use with fluids containing solids or debris.
远洋沉积物包含了微细物质颗粒。
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