PVC laminating metal sheet and its composite sandwich panels have biggish market in ship at present.PVC复塑板及其复合夹芯板目前在船用上占有较大的市场.Low viscosity multipurpose resin used for casting or laminating room temperature.低粘度多用途树脂,用于室...
一般说来, “ 静电 ” 和 “ 电流的电 ” 是无差别的.In general, there is no distinction between'static electricity " and " current electricity ".然而各种肠道病毒对氯的抵抗力是有很大差别的.There is, however, a wide variation in the resistance of enteric virus...
The demise of the industry has caused untold misery to thousands of hard-working tradesmen.该行业的没落给数以千计辛苦经营的商贩带来了难言的苦楚。The tradesmen are all soliciting us for our custom.那些商人都向我们拉生意.He went out to the village to pay trade...